Cases of cholera recorded in the decade so far.
\r\n\tThis book intends to cover major mineral deficiency problems such as calcium, iron, magnesium, sodium, potassium and zinc. These minerals have very important task either on intracellular or extracellular level as well as regulatory functions in maintaining body homeostasis.
\r\n\r\n\t
\r\n\tBoth macrominerals and trace minerals (microminerals) are equally important, but trace minerals are needed in smaller amounts than major minerals. The measurements of these minerals quite differ. Mineral levels depend on their uptake, metabolism, consumption, absorption, lifestyle, medical drug therapies, physical activities etc.
\r\n\tAs a self-contained collection of scholarly papers, the book will target an audience of practicing researchers, academics, PhD students and other scientists. Since it will be published as an Open Access publication, it will allow unrestricted online access to chapters with no reading or subscription fees.
",isbn:"978-1-83881-085-6",printIsbn:"978-1-83881-081-8",pdfIsbn:"978-1-83881-086-3",doi:null,price:0,priceEur:0,priceUsd:0,slug:null,numberOfPages:0,isOpenForSubmission:!1,hash:"8bc7bd085801296d26c5ea58a7154de3",bookSignature:"Dr. Gyula Mozsik and Dr. Gonzalo Díaz-Soto",publishedDate:null,coverURL:"https://cdn.intechopen.com/books/images_new/8935.jpg",keywords:"Calcium, Iron, Magnesium, Potassium, Sodium, Zinc, Diagnostic tools, Treatments, Food Fortification, Malnutrition, Metabolic Disorders, Lifestyle",numberOfDownloads:577,numberOfWosCitations:0,numberOfCrossrefCitations:0,numberOfDimensionsCitations:0,numberOfTotalCitations:0,isAvailableForWebshopOrdering:!0,dateEndFirstStepPublish:"May 26th 2020",dateEndSecondStepPublish:"June 16th 2020",dateEndThirdStepPublish:"August 15th 2020",dateEndFourthStepPublish:"November 3rd 2020",dateEndFifthStepPublish:"January 2nd 2021",remainingDaysToSecondStep:"7 months",secondStepPassed:!0,currentStepOfPublishingProcess:5,editedByType:null,kuFlag:!1,biosketch:"Professor Emeritus of Medicine at Univesity of Pecs, Hungary, and recipient of Andre Roberts award from the International Union of Pharmacology in 2014. He published 360 peer-reviewed papers, 196 book chapters, 692 abstracts, 19 monographs, and edited 32 books.",coeditorOneBiosketch:null,coeditorTwoBiosketch:null,coeditorThreeBiosketch:null,coeditorFourBiosketch:null,coeditorFiveBiosketch:null,editors:[{id:"58390",title:"Dr.",name:"Gyula",middleName:null,surname:"Mozsik",slug:"gyula-mozsik",fullName:"Gyula Mozsik",profilePictureURL:"https://mts.intechopen.com/storage/users/58390/images/system/58390.jpg",biography:"Gyula Mózsik, MD,PhD, ScD(med) is a professor emeritus of medicine at First Department of Medicine, Univesity of Pécs, Hungary. He was head of the Department from 1993 to 2003. His specializations are medicine, gastroenterology, clinical pharmacology, clinical nutrition. His research fields are biochemical and molecular pharmacological studies in gastrointestinal tract, clinical pharmacological and clinical nutritional studies, clinical genetic studies, and innovative pharmacological and nutritional (dietetical) research in new drug production and food production. He published around 360 peer-reviewed papers, 196 book chapters, 692 abstracts, 19 monographs, 32 edited books. He organized 38 national and international (in Croatia ,France, Romania, Italy, U.S.A., Japan) congresses /Symposia. He received the Andre Robert’s award from the International Union of Pharmacology, Gastrointestinal Section (2014). 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Studies have shown that consuming more fruits and vegetables can lead to a more productive and healthier lifestyle [2]. Despite the health benefits attained from fresh produce, microbial safety of fresh produce continues to be a major challenge as these foods are consumed raw, and are known for spreading infectious foodborne diseases [3]. About 48 million people in America get sick, 128,000 are hospitalized, and 3000 die from consuming adulterated fresh fruits and vegetables every year [4]. Fresh produce has been recognized as a common source for Salmonella since the bacteria has ability to attach and internalize in produce [5]. Fresh produce can become contaminated anywhere along the farm to plate continuum [6]. According to FDA [7], contamination with pathogenic bacteria may be directly or indirectly through contact with animals or insects, soil, water, dirty equipment, and human handling. Most Salmonella infections are caused by poultry products; however, it is estimated that fruit and vegetables are implicated in about 50% of Salmonella illnesses [8]. Salmonella outbreaks are frequently linked with animal products; however there have been outbreaks related to fresh produce, particularly in the United States [9]. Salmonella has been isolated from produce such as mangoes [1], cantaloupe [10], cucumbers [11], alfalfa sprouts and lettuce [12, 13]. The rise of antimicrobial resistance is thought to be as a result of excessive use of antibiotics in agriculture. Most antibiotics are used for treating animal and plant diseases in agriculture [14].
Fresh produce is ever more contributing to the consumer diet, an inclination that has been paralleled by an intensification in foodborne illnesses. Globally, many fresh produce linked outbreaks have occurred over the last few years including Salmonella outbreaks. Between 2012 and 2015, there were 596 Salmonella outbreaks which resulted in 13,765 illnesses, 2136 hospitalizations, and 18 deaths [11]. Within the same time period, 68 outbreaks were associated with lettuce and these outbreaks caused 1293 illnesses, 136 hospitalizations, and 3 deaths. Salmonella Typhimurium and Escherichia coli O15:H7 are the most significant foodborne pathogens that cause outbreaks through the consumption of contaminated fresh produce [15]. In October 2015, a multi-state outbreak of Salmonella Poona occurred in the United States. The outbreak was associated with 14-day shelf life cucumbers and it resulted to over 150 hospitalizations, 3 deaths and 671 confirmed cases of the outbreak in 34 states [4]. In 2008 and 2011, Salmonella enterica serovars outbreaks were linked to imported cantaloupes from Honduras and Guatemala [16]. Another foodborne disease outbreak was caused by Salmonella Newport and Salmonella Typhimurium. This outbreak was linked to cantaloupes in United States from a cantaloupe production and packaging operation in Indiana [16]. In 2008, a large outbreak of Salmonella Saint Paul took place in the United States and was linked to the consumption of jalapeño and serrano peppers [17]. Tomatoes have also been implicated in many Salmonella outbreaks [18]. In 2007, fresh herbs retailed in the UK exposed an international outbreak of Salmonella infection connected to tainted basil from Israel that involved at least 51 individuals from England, Wales, Scotland, Denmark, the Netherlands and the USA [19]. Salmonella, E. coli O157:H7, and Listeria monocytogenes have been associated with illnesses linked to produce from USA, Finland and Denmark [20]. Several produce-related outbreaks associated with Salmonella have also been global, for example Salmonella Saintpaul in fresh peppers from North America, Salmonella Senftenberg in tomatoes from Europe and North America, Salmonella Weltevreden in alfalfa sprouts from Europe, and Salmonella Thompson in arugula from Europe [21].
Antibiotic resistance has been recognized as a global health problem and as the uppermost health challenges facing the twenty-first century [22]. The emergence of antimicrobial resistant (AMR) bacterial in foods [23] including fresh produce has become a challenge and a major public health concern worldwide. Antimicrobial resistance is responsible for 2 million illnesses and 23,000 deaths yearly in the US, with over $20 billion as direct health-care costs and $35 billion in lost productivity [4]. Previous studies have identified antibiotic resistant bacteria on vegetable products at harvest or at the retail level [14, 24]. AMR is an emerging problem worldwide and antimicrobial usage in animal production is understood to be a contributing factor [25]. Fecal material from food animals, humans, and animals often contain bacteria that are resistant to some antibiotics [26]. It is reported that extensive use of antimicrobials in agriculture expose antimicrobial-resistant bacteria to humans through contaminated food products [27]. It is also documented that antibiotic resistant bacteria has been identified in animal waste, wastewater, river sediments, and farmland soil [28]. Antimicrobial resistant bacteria may be disseminated to the environment through farm waste, and may reach humans through the consumption of contaminated foods of animal origin, water, and vegetables [29]. Leafy greens are contaminated with antibiotic-resistant bacteria from animal and human sources during production and harvesting [30]. Consumption of fresh produce, particularly raw fresh produce, represents a route of direct human exposure to resistant microorganisms.
Salmonella is an important cause of foodborne infections and some species are becoming increasingly resistant, creating it more challenging to treat patients with severe infections [31]. The occurrence of ARM in Salmonella has become a major concern in food safety [31]. The contamination of food by Salmonella is an international concern due to contamination and antimicrobial resistance rates in imported food products [32, 33]. According to Wadamori et al. [34], Salmonella resistant to antibiotics including vancomycin, erythromycin, ampicillin and penicillin has been isolated from vegetables. Most common multidrug resistance phenotype of Salmonella is reported to confer resistance to ampicillin and streptomycin [35]. Antibiotic resistant Salmonella has also been detected in fresh vegetable at the retail level [36]. Brazilian ready-to-eat (RTE) salad vegetables have been associated with resistant Salmonella enterica isolates [37].
Several studies on antimicrobial resistance in animal-producing environments have been conducted [37]. However limited publications are prevailing on whether vegetables or the environment where they are produced has the potential to act as a reservoir of antimicrobial resistance [38]. According to Sjölund-Karlsson [39], several studies on antimicrobial resistance of Salmonella from humans, food animals, and retail meats have been conducted, whereas limited research on Salmonella associated with fresh produce is less common. It is essential to understand the nature of fresh produce safety challenges, origins of antimicrobial resistant bacteria, contamination pathways, risk factors to the consumer, and approaches to exclude or reduce the occurrence of Salmonella and other contaminants. There is a dire need to conduct more research and determine the origins of antimicrobial resistance in fresh produce.
Leafy green vegetables are the highest priority in terms of fresh produce safety from a global perspective [40]. During the period from 1996 to 2006, many countries implicated leafy greens as a primary vehicle of concern implicated in Salmonella foodborne illnesses [40]. The application of GAPs is broadly accepted as the most significant measure in reducing Salmonella and other foodborne pathogens in fresh produce. GAPs are important not only for production but also to minimize food safety risks [41]. GAPs are voluntary guiding principles concentrating on best agricultural practices for fresh produce production that validate the production, packing, handling, and storage of produce. GAPs reduce the potential risks of microbial contamination in fresh fruits and vegetables.
With the increasing foodborne illness associated with fresh produce, there is a lot of emphasis on good agricultural practices to verify that farms are producing fruits and vegetables in the safest means possible. GAPs should be used as a control measure in fighting food safety threats within the fresh produce chain, while good hygienic practices (GHP) should be the second important measure for produce growers to use in concurrence with GAP [42]. A fresh produce grower’s current food safety knowledge is often shaped by their knowledge of contamination hazards associated with the production of fresh produce, the sources of microbial threat and the impact caused by the hazard [43]. A study by Kilonzo-Nthenge [36] indicated about 64% of the farmers instituted hygiene practices on their farms. From this study, many produce farmers are faced with many challenges in produce production. These include limited knowledge of GAPs and finding food safety denoted information on produce safety. Growers’ limited familiarity with GAPs implies a need for food safety education, which trained Extension educators should deliver [36].
Recent outbreaks and changes in consumer demands have prompted the writing of new regulations that establish standards for produce safety. However, these regulations do not cover all produce farms. There is a need to support every farmer in the produce industry. Large growers can fairly easily absorb the costs and annual audit fees associated with GAPs program; however, limited-resource farms often do not pursue these programs due to the costs, which can be exorbitant. Many growers are also not aware on risk factors on their farms and therefore, risk communication is critically needed to persuade produce growers to take appropriate actions and safe practices to avoid and reduce foodborne pathogens farms. Fresh produce farmers need additional education and training on implementing GAPs to prevent the spread of foodborne pathogens. With proper education and training on GAPs, produce growers will be able to shift their focus from responding to contamination to preventing it.
There is a need for cooperative Extension Programs to develop curriculums that can be given to county Extension agents to present to local producers. In addition tailored food safety plans and GAPs should be developed for small-scale fresh produce growers. The new agriculture marketplace require produce growers who are not only aware but also highly knowledgeable in food safety as it relates to their fresh produce.
Several groups of microorganisms can contaminate fruits and vegetables at any point throughout the food supply chain. Fresh produce is contaminated with pathogenic bacteria directly or indirectly through contact with animals or insects, soil, water, dirty equipment, and human handling. The application of manure and other animal wastes in organic fresh produce production has the potential to contaminate produce with pathogenic bacteria including Salmonella, Listeria, and Escherichia coli O157:H7. Antibiotic resistant bacteria have been identified in animal waste, wastewater, river sediments, and farmland soil [28]. The challenge arises when these pathogens are antibiotic resistant bacteria. Antimicrobial resistant bacteria may have the potential to make their way over to fresh produce through contaminated irrigation water and manure applied to agricultural fields [44]. Resistant bacteria have the ability to colonize fresh fruits and vegetables in a number of ways including direct use of antibiotics during cultivation, use of contaminated irrigation water; hence a public health issue.
The antimicrobial resistance has become a global concern as geographic borders among countries have become less discrete due to increasing global trade. Given that no country is self-sufficient in the supply of food, trade in overall is essential to ensure access to food products. For example, increasing global trade agreements and the demand for fresh produce have led to a significant growth in U.S. produce imports. Increasing global connectivity trade can facilitate the introduction of both antimicrobial resistant and pathogenic bacteria to a country through food imports. A rapidly growing universal trade in agricultural food products has significantly enabled the introduction of new Salmonella serovars within the geographical boundaries of importing countries. Imports allow a continuing and abundant supply of fresh produce in the U.S., however antimicrobial resistant bacteria may diffuse to the country as a result of contaminated produce from other countries. In a previous report, Salmonella (3.48 and 0.58%) was positive for imported and U.S. grown produce, respectively [45]. Evidence shows that fresh produce trade has the potential to disseminate antibiotic resistant bacteria between countries; a noble example is the 2005 nationwide outbreak of multidrug resistant Salmonella Typhimurium DT104B in Finland which was due to contaminated lettuce imported from Spain [46]. Salmonella has been isolated from various types of fresh produce including cantaloupe, cilantro, cucumber, leafy green, pepper, and tomatoes from Honduras [47].
Antimicrobial resistant bacteria may have the potential to make their way over to fresh produce through contaminated irrigation water and manure applied to agricultural fields. The utmost threat to the consumer is when vegetables and fruits are consumed without being washed. Practicing good agricultural practices (GAPs) on farms and good handling practices on farms and homes is often recommended to elude Salmonella in fresh produce.
Diarrheic diseases are a serious public health issue in the entire world [1, 2]. Cholera is among the deadliest gastrointestinal diarrheic maladies in tropical areas [3, 4, 5], resulting almost exclusively from ingestion of water contaminated with Vibrio cholerae, but any fecal-oral pathway can potentially transmit the disease [6]. When untreated, the disease rapidly results in death, and transmission is quick within the community [2]. It is a problem because many developing countries lack resources and time necessary for confirmation and management of cholera outbreaks [7].
In the African continent, cholera has been a significant cause of morbidity and mortality [3, 6]. The disease was introduced in Mozambique from the Indian subcontinent in 1970 and became a major cause of infectious diarrhea [4, 8, 9]. Since then, the country has been facing outbreaks, particularly in Nampula Province [6]. The most severe happened during the 1990s, resulting in one third of all cases in Africa [5]. All diarrheic diseases together are the fourth major cause of death of <5-year-old children, causing in average 13,105 demises per annum. Cholera’s epidemiological profile is changed from epidemic to endemic due to the frequent outbreaks [6]. In general, there is a virtually countrywide epidemics every 5 years, but Nampula and Cuamba cities register annual cases [1], usually during the rainy season (December to June) [8]. According to Chissaque et al. [10], the last major outbreak was in 2015. Furthermore, some issues have been worsening the situation and raising increased concern. For instance, diarrhea-causing enteric bacteria are developing resistance to antibiotics [11], possibly because of overprescription.
Cholera is endemic in Mozambique, but there is very limited research on the matter. There is little information on transmission patterns and how risk factors such as non-potable water, improper sanitation, and hygiene affect the incidence, prevalence, and severity of the disease [4, 9]; there is no local protocol for treating acute diarrhea in children, the only reference being from the World Health Organization (WHO) [4, 12, 13]; little is known about the challenges, success cases, and the extent of the impact of the struggle against cholera in Mozambique [2] and the operational cost to implement a vaccination campaign against cholera [14]. If such information gaps are filled, it will be possible to substantially improve the strategy to mitigate the disease.
Gujral et al. [15] wrote an important contribution to the overall understanding of cholera epidemiology in Mozambique up to 2013, based on the national surveillance data. Though it is a good reference for researchers and scholars, there were some updates published in at least three journal articles [9, 10, 16], reports from the United Nations [17] or other organizations, and 17 presentations [1, 2, 3, 4, 5, 6, 7, 8, 11, 14, 18, 19, 20, 21, 22, 23, 24] at the XVI Scientific Journeys organized by the Mozambican National Institute of Health [25]. This chapter aims to summarize the contributions of such publications for the current knowledge of cholera in Mozambique.
The current analysis is based on updates presented during the XVI National Health Journeys, 17–20 September 2018, in Maputo City, in Mozambique. National Health Institute organized the event under the motto “Promovendo a intersectorialidade e a participação comunitária para o alcance dos Objectivos de Desenvolvimento Sustentável” [Promoting the multi-sectoral collaboration and community participation to meet the Sustainable Development Goals]. Since the beginning, in 1976, the journeys have been arguably the country’s most relevant event on the matter, hosting presentations from leading health researchers in Mozambique [26].
Summaries of all presentations were then compiled to Revista Moçambicana de Ciências de Saúde [Mozambican Journal of Health Sciences]. There were 19 presentations directly or indirectly related to cholera. Some content was a follow-up of other previously published international journals, and it facilitated their interpretation. ATLAS.ti 8.1 (ATLAS.ti Scientific Software Development GmbH, Berlin, Germany) was used to analyze most information and Jamovi 0.9 (The Jamovi Project, Amsterdam, Netherlands) for meta-analysis when necessary.
Most studies on cholera in Mozambique conducted during the last decade were complementary, connected as part of a multidisciplinary approach for accompanying control campaigns led by the Ministry of Health, targeted to susceptible groups in areas where annual outbreaks occur during the rainy season [16]. At least half of the studies used data from Nampula City [23], but there were also studies in Tete, Moatize, Quelimane, Mocuba, Guruè, Metangula, Cuamba, and the country in general [1, 2, 5, 19, 20, 21]. Chissaque and Deus [20] presented, in the journeys, content directly related to a journal article published the same year [10].
It is perhaps important to mention the group that contributed the most with presentations about cholera during the Scientific Journeys. It was the team of Baltazar and Baloi [23], from the National Institute of Health, mostly reporting on different aspects of the immunization campaign in Nampula City, 2016. Their particular presentation was focused on the vaccine coverage and acceptability, but the same group also analyzed local media coverage and people’s reaction [21], evaluated environmental determinants [4] and post-campaign adverse effects [18], validated a rapid test to monitor the efficacy of the vaccine [7], and evaluated the economic cost of the vaccine [14].
Since most publications are interconnected, based on the same campaigns and projects, they shared some constraints and limitations. They might not be explored in full depth in the following subsections. Section 5.7.3 presents more details and respective analyses on the limitations and constraints.
The main causes of diarrhea in Mozambique, especially in children, are V. cholerae, rotavirus, Shigella spp., Escherichia coli, Cryptosporidium spp., and Aeromonas spp. [20]. At this stage, V. cholerae is well-known as the cholera-causing microorganism, even outside scholarly or scientific circles. Etiological studies are now focused on peculiarities or diversity of endemic strains in Mozambique, and how to rapidly distinguish cases of cholera from other forms of diarrhea, especially during emergency situations. The more accurate the diagnostic, the more appropriate the treatment.
According to Langa et al. [16], Mozambican V. cholerae O1 isolates from 2012 to 2014 outbreaks are genetically closely related to strains of pandemic worldwide, unlike the Indian-born found 20 years ago. Garrine et al. [9] went one step forward by analyzing how related 75 isolated were from patients in Manhiça District Hospital from the start of the millennium up to 2012 and 3 from the Komati River. They were able to reveal four unrelated genotypes and two clonal complexes with 22 genotypes by using a multilocus variable-number tandem-repeat analysis (MLVA), and through whole genome sequencing (WGS), they detected recombination and four isolates genetically unable to produce cholera toxin. The investigators were also able to deduct that Wave 3 of the seventh pandemic [27, 28, 29] remained in the area for at least 8 years, originating 67 of the isolates analyzed.
It is worth mentioning Aeromonas spp., as Chitio and Langa [24] demonstrated that these microorganisms cause symptoms easy to confuse with cholera’s, particularly during outbreaks. They detected Aeromonas spp. in 30 (10.4%) of 289 samples of rectal swabs from patients with suspicion of cholera during outbreaks in 2014 and 2015. The species were Aeromonas sobria (57%), Aeromonas hydrophila (20%), Aeromonas caviae (13%), Aeromonas veronii (7%), and Aeromonas salmonicida ssp. salmonicida (3%).
Environmental sanitation is important to control disease for the benefit of public health [19]. For several natural, sociopolitical, cultural, and economic reasons, Mozambique is spatially heterogeneous in terms of distribution of resources, including water, housing, their conditions [30], and certainly other features potentially affecting the transmission of cholera. Thus, one shall expect to see substantial differences in terms of risk factors and health determinants in different areas throughout the country. Yet, it is possible to draw some comparisons on how one or another factor affects the dynamics of cholera transmissibility, from different authors’ points of view.
Marrufo et al. [4] evaluated water, sanitation, and hygiene in the area with more cases of cholera in Nampula City and found that 42% had improved latrines and 90% of the inhabitants had access to at least one improved water source, as defined by the World Health Organization and the United Nations Children’s Fund (UNICEF) [31]: with potential to deliver safe water by nature of its design and construction. The authors did not specify their sample size (n) in the summary for the presentation, but their sample was certainly representative because they followed the guidelines of the United Nations High Commissioner for Refugees, and they were the same research team as Baltazar et al. [23] (n = 636), besides the fact that they covered a very wide area and used a statistical treatment of the data. A major health determinant is likely the lack of drainage and sewage through the entire suburban area covering six neighborhoods, particularly when it rains [4, 8, 20]. According to Ramos et al. [19], residents of Bairro Novo [New Neighborhood], Quelimane City, claimed to frequently observe human stool and trash floating when it rains and water accumulates through the streets. This area also lacks a sewage system and has a shortage of latrines.
A different research team [22] interviewed 59 patients with suspicion of cholera in the rural community of Casacone and found the same percentage as Marrufo et al. [4] of households with latrines (42%), but there were differences: 64% used well water, and none treated it before consuming. Besides the differences in the settings (suburban and rural), the study groups were fundamentally different, as Paulo et al. [22] worked with people having acute diarrhea, while Marrufo et al. [4] worked with populations from a risky area. The former group was by definition people who had contact with contaminated water; thus it is not surprising that all used untreated water, unlike the latter group.
Borges et al. [5] found that people in Metangula District (Niassa Province) prefer using untreated water from the lake, even when they have access to potable water, and they could not find any explanation, particularly because most (98%) were aware of cholera and the associated risks. Adding to that fact, Francisco and Chindia [3] stated that in this particular area, temperature and precipitation do not seem to be major health determinants, and it reinforces the idea that the issue is led by behavior. There are perhaps sociocultural or religious reasons. For instance, the Zion Christian Church is well-known in Mozambique, and it is the third largest (17.5% of the population), only surpassed by Catholicism (23.8%) and Islam (17.8%) [32]. One notable ritual of this church is the “Jordan” baptism, performed in rivers, lakes, and sometimes the sea. Such level of exposition to waterborne pathogens is highly concerning, particularly in hotspots of cholera endemism. Furthermore, virtually all over Mozambique, there are people who believe that malicious individuals intentionally created cholera to harm others [2, 6, 33]. Thus, it is important to debunk such self-destructive mentality and the resulting attitudes.
The World Health Organization [34] identifies Mozambique among the African countries most affected by cholera epidemics. In the first decade of the millennium, cholera had an incidence of 12 to 127 per 100,000 inhabitants, especially in the rainy season [20]. The variant of V. cholerae O1 (El Tor strains) active in the country then came from the Indian subcontinent, and it can be found, for instance, in Bangladesh [16, 35]. Between 25 December 2014 and 22 March 2015, there was a sequence of outbreaks through 5 provinces and 18 districts, resulting in 7073 cases reported and 53 deaths (fatality rate was 0.7%) [17]. Genetic analyses suggest that strains found in Mozambique since 2012 are also common in several other parts of the world [16], indicating the existence of different waves of contamination converging in the country.
Chitio and Langa [24] and several other presenters in the XVI National Health Journeys seemed to agree that cholera has been more widespread throughout the central and northern provinces (Figure 1), particularly Niassa and Nampula in the north, where outbreaks occur annually, in contrast to the rest of the country, where it occurs every 5 years [1, 4, 22].
Draft of Mozambican map showing the areas where research and interventions related to cholera occurred since 2013. Image adapted from Wikimedia Commons [36] under public domain. Data was compiled from the XVI National Health Journeys [1, 2, 3, 4, 5, 6, 7, 8, 11, 14, 18, 19, 20, 21, 22, 23, 24], Chissaque et al. [10], and Vanormelingen et al. [17].
Vanormelingen et al. [17] included Sofala in the list of affected provinces, and Chissaque et al. [20] mentioned V. cholerae among the causes of diarrhea in the country’s south. The main cause is the lack of potable water and proper sanitation such as improved latrines [4], though behavioral factors also contribute to the incidence and prevalence of cholera [6, 8, 21].
In Niassa Province, the most frequent reports have arisen from in two municipalities: Metangula, where the majority of the cases occur [5], and Cuamba [1]. Besides similar causes as in Nampula City, a major risk factor for cholera contamination in Niassa is the insistence on using untreated fresh water to wash dishes, take a bath, and drink, especially the population of Metangula who live at the Niassa lakeshore [5]. In their presentation, Borges et al. [5] stated that choice of fresh water is not necessarily related to the access to potable water, as there were sufficient wells for the community.
In Nampula, the six most severely affected neighborhood cities are Carrupeia, Muatala, Murrapaniua, Mutauanha, Napipine, and Natiquiri, with 193.403 inhabitants [1, 4, 18]. Other neighborhoods under risk are Namicopo, Namutequeliua, and Belenenses, especially considering a recent observation that some residents showed very low awareness on how cholera is transmitted [6]. In this decade, the city had annual outbreaks recorded at least from 2013 to 2018 [4], and it is confirmed that an outbreak is happening as this article is being written [37], but this topic will be briefly discussed in the post-conclusion note (Section 7). There was another outbreak notified 17 November 2017 in Nampula Province, Nacarôa District [22]. The most affected areas were Munana and Casaconde neighborhoods, in the administrative area also called Nacarôa, within the district.
Zambezia was another province studied, and there were studies from cities of Quelimane, Mocuba, and Gurúè [1, 2, 19]. Vanormelingen et al. [17] added Nicoadala District. First, regarding “Bairro Novo” [New Neighborhood] in Quelimane City, Ramos et al. [19] mentioned the rapid expansion of the city, hardly complying with proper urbanization planning, thus resulting in improper sanitation and hygiene. The authors decided to investigate the frequency of waterborne diseases, including diarrheic maladies, by interviewing members of 21 households, and analyzing records from the Healthcare Center from 24 July 2014 to 2017. Cholera was mentioned among the most frequent diseases, although the authors did not specify the prevalence. In general, they included the disease among the diarrheic, with 564 cases (47.3%) in 1193 recorded in the healthcare center’s registry. In Mocuba, Mesa et al. [1] analyzed 128 processes of patients carrying diarrheic diseases. Although the authors did not specify the diseases, they suspected that most had cholera considering the symptoms recorded, the fatality rate of 4% (plausible, according to the World Health Organization [38]), and the fact that there was an outbreak as they were conducting their investigation. The most affected neighborhoods were Samora Machel (33%), Marmanelo (15%), CFM (11%), carreira de tiros (10%), and Tomba de Água (8%). Carlos [2] said that various minor towns of Gurúè District have been registering outbreaks of diarrheic diseases and cholera, but in 2015 there was an outbreak in its main city, also called Gurúè.
There are other areas where cholera is endemic, but the scholarly publications from the last decade did not explore in depth the epidemiologic point of view, but they are worth mentioning. For instance, the 2015 outbreaks in the country’s north and center seemed interconnected and occurred during the same period, and they reached areas including the cities of Tete, Moatize, and Sofala Province [17]. There are also studies from the south, though in different time and context. Salomão et al. [21] presented results of a 2-year study (2017–2018) related to immunization campaigns in the cities of Tete and Moatize, after an outbreak in 2017. As the outbreaks were stabilizing in the provinces mentioned so far, in Sofala it was spreading, with reports from Beira City, Caia, and Nhamatanda. Manhiça District Hospital keeps isolates of cholera [9], and it reflects the history of the disease there and in the areas nearby. Garrine et al. [9] worked with these isolates in their research and added three from the Komati River.
Since most studies presented at the XVI Health Journeys were follow-ups of ongoing studies, they all tended to miss some details, and some were complementary to each other. For instance, the studies after the 2015 outbreak of cholera in Nampula explored different perspectives on the problematics [4, 6, 7, 8, 14, 18, 22, 23]. Table 1 shows some epidemiological data recorded after 2013. These are just some examples because it would be redundant to include some papers, particularly the studies conducted in Nampula. Still, there is plenty of information worth sharing.
Author | Year | Area | Cases of cholera | Deaths |
---|---|---|---|---|
Vanormelingen et al. [17] | 2015 | Countrywide | 7073 | 53 |
Salência et al. [11] | 2014–2017 | Countrywide (6 hospitals) | 19/784* | ns |
Dengo-Baloi et al. [18] | 2016 | Nampula City | 44/171* | ns |
Paulo et al. [22] | 2017 | Nacarôa | 135 | 3 |
Cases of cholera recorded in the decade so far.
Confirmed cases/suspected cases in children recorded in healthcare institutions; ns, non-specified.
The studies did not explain the dynamics of how the disease is spread during non-epidemic periods because virtually all were conducted during outbreaks, or at least based on them, though it might not differ much from times of outbreak, especially because the area is endemic. Phenomena such as heavy rain and natural catastrophes certainly work as amplifiers of the disease severity by increasing people’s exposition to untreated water [3, 20, 39, 40, 41, 42]. Yet, it would be a good idea to study the risk factors and disease determinants during times of low prevalence because it would, for instance, minimize the need for researchers to work under pressure or “under budget” because of non-research-driven priorities [43], avoid panic or undesirable reactions from study subjects, and perhaps be easy to prevent outbreaks or lower considerably their impact on public health. On the other hand, outbreak investigations are crucial to ensure proper intervention. Thus, the information below represents outbreak-related scenarios but somehow the best lead so far of the country’s reality with or without an outbreak.
According to Table 1, the country’s cholera fatality rate (CFR) in 2015 was 0.7%. This value is low, within the range 0–15.8% of the Global Health Observatory (GHO) in 2016, published by the World Health Organization [38]. According to the GHO, 22 countries had CFR > 1%, and only Niger, Zimbabwe, and Congo had CFR > 5%. Even the global (1.8%) was higher than Mozambique the previous year during the outbreak. Such low fatality rate was likely due to a very fast and effective response in terms of vaccination, treatment [11, 23], and other measures such as health education and support in sanitation [8, 17]. Cholera is highly virulent but also easy to treat and there is vaccine [44]. The fatality rate observed in Nacarôa (2%) was not far from the global, and it seems reasonable to expect such kind of fluctuations in a considerably small sample. It should be also reasonable to expect a value slightly higher than average in endemic areas.
It is general knowledge that cholera is spread through water and improper sanitation is a major risk factor for transmission. Thus, the disease deeply related to poverty in several ways including obviously the lack of resources for prevention or treatment and limitations in education or information. It is intuitive that the most susceptible are people living in highly crowded suburban areas when people have little access to clean water, or in rural settings, when people directly consume water from lakes or rivers without any treatment. People living around Lake Niassa use it for domestic purposes [5]. This is the reality in several areas of Mozambique. This must be understood on top of any specificity of the studies explained or discussed in this subsection. It must be implicit that all the studies’ target populations were susceptible to cholera.
The research team of Baltazar et al. [23] belongs to the National Institute of Health, and they conducted most studies related to the vaccination campaign in Nampula City, 2016. In the particular study cited, they focused on inhabitants over 1 year old living in the city’s six most susceptible neighborhoods, mentioned in Section 5.4.1 (Geographical distribution). People from surrounding areas are also at risk [4] because of mobility and interaction with residents of the endemic neighborhoods or exchange of food or drinks coming from such zones.
Children are the most susceptible to diarrheic diseases in general [11, 20] perhaps because of their immunity still under development, their unawareness of the bacterial load in the untreated water, and their behavior. In reality, they have always been the priority and focus of the vaccination campaigns [10, 45]. Among 1910 children hospitalized with acute diarrhea from May 2014 to December 2017, Salência et al. [11] found that <1-year-olds were the most affected and 19 infants (2.4%) had V. cholerae. The majority (58%) were male, but it seems that the proportion male/female always gravitates around 1:1 [1, 11, 22]. Mesa et al. [1] analyzed 128 processes of patients with acute diarrhea in Mocuba District Hospital, admitted during June and July 2015 in the local hospital. According to the authors, all patients presented symptoms consistent with cholera, but, despite their convictions, there was no confirmation, and they based their conclusions on clinical data (aqueous stool, vomit, and fever). In any case, all were below 16 years old in which 41% were below 5 years and 4% of the cases ended in decease. Differently, Paulo et al. [22] found 68% of individuals over 15 years old among 135 cases of cholera in the Center for Treatment of Diarrheic Diseases in Nacarôa District, recorded from 12 to 28 November 2017. The difference is likely due to a fact mentioned by the authors that none treated the water before consuming and the majority (64%) used well water. One has to imagine that the entire household uses the same water source and all the members have nearly the same level of exposition if it is contaminated, independently of the age and behavior of each individual. The age or sex differences might be a reflection of the actual sociodemographic profile of the community.
There is little novelty on diagnosis in Mozambique since the beginning of the decade. It is perhaps worth mentioning that during the 2016 massive vaccination campaign in Nampula, Dengo-Baloi et al. [18] performed a rapid test to verify if it could be an alternative to the culture-based standard, as the latter takes 48 to 72 hours and the rapid test would take approximately 6 hours. They used an alkaline peptone water (APW) enrichment method, but they did not specify the origin of the kit. It was likely Crystal VC RDT (Span Divergent, Mumbai, India), previously used by George et al. [46] in Bangladesh and Ontweka et al. [47] in South Sudan. According to the latter, it is also considerably inexpensive. Dengo-Baloi et al. [18] observed exactly the same results using the standard method and the rapid test for 75 samples, demonstrating its efficacy as a good alternative for the standard in areas with limited resources.
Cholera control strategies in Mozambique have been changing over time, perhaps due to governmental priorities, an increasing knowledge, or resources available. Regarding Mozambique, it is important to keep in mind that Mozambique has undergone major political changes, there have been conflicts, including armed, natural calamities such as drought, floods, typhoons, economic crises, and fluctuations. All these phenomena resulted in mobility or affected people’s livelihoods, changing the dynamics of access to resources, including potable water, ultimately impacting public health. This ever-changing environment has been determining, at a certain extent, the way the government deals with the epidemics of infectious diseases, including cholera. Chissaque et al. [20] mentioned some key actions of the government’s strategy: vaccination, health education, introduction of zinc and salts for oral hydration, improvement of basic sanitation (construction of latrines and access to potable water), and organization of national health weeks. Dengo-Baloi et al. [18] added vigilance among the measures, and Vanormelingen et al. [17] said that the government coordinated a real-time mapping of the epidemic and supported social mobilization with the assistance of the United Nations Children’s Fund, World Health Organization, and Médecins Sans Frontières (MSF).
The most relevant actions in the last decade are perhaps related to the Ministry of Health’s implementation of vaccination campaigns using Shanchol™ (BivWC, Shantha [48], Ranga Reddy District, Telangana, India) in Nampula City’s six most vulnerable neighborhoods, in October 2016 and also the subsequent years [4, 10, 21]. It was in response to the outbreak in 2015, and the strategy was to deliver the vaccine door to door in two rounds [23]. Paulo et al. [22] mentioned another outbreak in November 2017, but it did not seem as severe. The 2016 campaign was strategically set to cover 193,403 individuals and prevent the expansion of cholera to less affected areas [4, 18]. Though the first round only covered 69.5% of the target population, and the second covered 51.2%, Baltazar et al. [23] considered the experience as a success and shared the belief that similar strategies can have more adherence in urban settings when there is no emergency. Considerably low adherence was mostly because many people were not at home during the campaign, and 17.3% of 636 people enquired said that they were unaware of the campaign. The situation was similar in the following 2 years [21]. Thus, it is important to improve or use more effectively the channels to communicate with the residents.
After vaccination, there were adverse effects such as abdominal pain, nausea, and diarrhea, but none seemed severe enough to require any medical assistance [18]. The National Institute of Health organized a vigilance of postimmunization adverse effects in nine healthcare units, and, according to Dengo-Baloi et al. [18], there were eight cases reported after the first round of vaccination, three during the second, and one case during both rounds. Yet, there were certainly more cases because Baltazar et al. [23] reported adverse effects in 47 people of 451 interviewed after receiving vaccination. A possible explanation for the discrepancy between both studies is the fact that PIAE vigilance recorded mostly cases that occurred 24 h after vaccination, and it was based on records from healthcare units, while the other study was based on inquiries directly to randomly chosen individuals from the community from 2 to 9 November 2016 [18, 23].
Among the 428 interviewees of Borges et al. [5] in Metangula, the level of awareness on cholera was very high (98%), and they said that radio (35%) and lectures at the healthcare center (28%) were the main sources of information about the disease. If the population in general is aware of the disease and still Metangula is the town most affected with cholera in Niassa Province, perhaps most inhabitants lack essential knowledge on how to prevent the disease or have very few alternatives as source of water or means to properly treat it. Yet, the investigators claim that most people from Metangula have access to potable water, but they prefer the untreated from the Lake Niassa and proposed further studies to understand their motivation. They also believe that it is necessary to intensify awareness campaigns on how to prevent cholera. However, such campaigns might not be very effective if people mistrust the authorities, as Victorino et al. [6] said. The latter authors interviewed 30 residents throughout three neighborhoods of Nampula City (the same region of the country), and they unanimously claimed that the government was responsible for the outbreak of cholera. Furthermore, the majority (18 people) did not really understand the concept of cholera (bacterial disease transmitted through water), and 12 did not know how to prevent the disease. In this case, it would be more prudent to approach the residents through authorities they might be more prone to trust, such as teachers at schools, traditional leaders and religious entities.
At a first glance, the main constraints seem related to vaccination, improper treatment and potential misdiagnosis of diarrheic diseases, unclear notion on the impact of risk factors, shortage of resources for interventions, and government mistrust. Some constraints might be related, and for this reason they will not be necessarily presented in the same order as mentioned. This subsection might seem redundant in the sense that it recapitulates some limitations from the previous subsections. However, it seems important to discuss them in more detail, as they are likely to be the starting point for future researchers aiming to study the dynamics of cholera epidemiology and control strategies in Mozambique. Furthermore, some ideas are consolidated, and some relationships are explored more critically in this subsection.
According to Baltazar et al. [23], during the 2016 vaccination campaign in Nampula, more than one third missed the vaccine because they were not at home or did not receive any information prior to the campaign, and in the second round, there were less people available, though dropout rates from the first to the second dose up to 13% is not uncommon due to factors such as migration or other reasons leading people to be absent [49, 50]. Salomão et al. [21] stated that it happened again the following year, and, according to them, the main reasons were lack of time, absence, and lack of information. The overall vaccine wastage rate was 10%, and it seems high if compared with the experience in Bangladesh between February and April 2011, where it was 1.2% [49]. Such wastage might be partially related to reasons to be discussed in the following paragraph.
It seems important to discuss the most likely motivation for the vaccination campaign’s suboptimal adherence. Since the strategy was door to door, it seems difficult to suddenly receive someone claiming to be from the government and offering substances to all family members including children. Even if the visitors show credentials, many inhabitants mistrust the government and blame it for the disease [6, 8]. In contrast, Botão et al. [8] interviewed 145 individuals from the target population, and 92% said they were willing to receive the vaccine. It is hard to clarify why they showed interest, but the actions were different, but a possible explanation would be that they just manifested agreement for the convenience of the interview or because they fear the authorities. Such attitude toward the government is not new or exclusive to Nampula or northern Mozambique. For instance, Pool et al. [33] reported a similar behavior during a campaign for immunization against malaria 10 years before in Manhiça District, southern Mozambique. Similarly, rumors stated that the local clinic was trying to poison the children. In Gurúè City, people believe that cholera is sent as spells by evil individuals [2]. It would be an asset to investigate what religious leaders or traditional healers think of cholera and government interventions, because it is common for people in Mozambique to rely on them in matters of health, in some cases even for immunization. The fact that conventional practitioners are a direct competition for their source of income cannot be underestimated, and if people, including their leaders and traditional healers, regard outbreaks of diarrhea as a spiritual matter, they might not understand the governments’ true motivations, and “conspiracy theories” will keep spreading. Botão et al. [8] reported emerging conflicts related to previous cholera interventions between health professionals, community leaders, and health activists, sometimes escalating to episodes of violence. Interventions seem to become more difficult over time as the locals create barriers for the professionals, and both Botão et al. [8] and Salomão et al. [21] believe only the notion that cholera is life-threatening can motivate the population to accept the vaccine. In any case, prior to vaccination, there should be a strong campaign targeting traditional authorities in order to promote their collaboration and influence the adults, and likewise directed to teachers, to influence the children. It would also include, in the strategy, ways to make sure that people are not absent during the campaigns.
Baltazar et al. [23] also stated that 10% of the individuals experienced side effects after vaccination, and it seems a plausible explanation for the decline of 18.3% in adherence between the two rounds. It is possible that such individuals and their families or relatives preferred not to receive the second dose, and it can still be confirmed if the interview records are available. Minor side effects to this vaccine (Shanchol™) should have been expected in some people [48, 51], and it has been observed in Bangladesh [52]. The vaccination campaign in Nampula was certainly carried with informed consent and following the WHO [53] recommendations, but if the side effects in fact led people to withdraw from the second round, it is important to reevaluate the communication with the target population. The Centers for Disease Control and Prevention [54] recommend competent authorities to explain the people to be vaccinated about the “benefits of and risks from vaccines in language that is culturally sensitive and at an appropriate educational level.”
Misdiagnoses should also not be underestimated, especially because it has impact on the choice of treatment. Chissaque et al. [20] reported lack of consistent protocols to directly relate a pathogen with a particular diarrheic profile and also the respective risk factors. Outbreak of a disease can be misleading when there are people carrying diseases with similar symptoms. For instance, Chitio et al. [24] detected Aeromonas spp. in 10.4% of 289 samples of rectal swabs from individuals with symptoms consistent with cholera during outbreaks of the latter. Sometimes even conventional culture methods can fail to detect V. cholerae [55]. Furthermore, Gupta et al. [56] found that clinical conditions of a coinfection cholera-rotavirus and cholera alone can easily be confused. There should be efforts to ensure rigorous differential diagnoses when it is possible.
Salência et al. [11] reported the abusive use of antibiotics to treat acute diarrhea in children, including confirmed cases of cholera (2.4%), between May 2014 and December 2017 in major hospitals from all regions of Mozambique. According to the authors, antibiotics were used to treat 94% of the patients, and this represents a violation of the WHO’s protocol that recommends the use of these compounds when there is cholera, dysentery, and other “recognizable severe cases” [57]. Antibiotic misuse is frequent in developing countries but such level was extreme. For instance, Runesson et al. [58] reported the use of antibiotics in 70% of cases of children with diarrhea, randomly examined in a children’s hospital, from which at least 35% did not really need antibiotics. According to Rogawski et al. [59], antibiotics have the potential to modify the gastrointestinal microbiota and increase the risk of a reduced time to a subsequent diarrhea episode. It is also known that antibiotic abuse frequently results in resistance. In 2007, Mandomando et al. [60] reported a high incidence of resistance to chloramphenicol (57.9%), co-trimoxazole (96.6%), and tetracycline (97.3%), and low for quinolone (4.2%). Salência et al. [11] mentioned the use of ampicillin (45%), gentamicin (39%) combined with therapy, and gentamicin (10%). Thus, there should be efforts to discourage physicians to prescribe antibiotics when it is not necessary. When appropriate, they can use quinolone or third-generation cephalosporins [60].
The presentations in the XVI National Health Journeys and the recent articles on cholera offered an invaluable contribution to the current knowledge on the disease in Mozambique, particularly regarding the risk factors, health determinants, and immunization process. Such contributions showed how important the journeys were. The Ministry of Health and related institutions have been active in research and interventions to control cholera in Mozambique. The immunization campaign in 2016 certainly had high impact in reducing the incidence of cholera, as no outbreak has been as wide and severe as 2015’s (the ones this year are not considered because their extent is still to be assessed). Yet, governmental effort cannot achieve the desired results if there is no collaboration from the civil society. The etiology, risk factors, and epidemiology of the disease are fairly known, and, although the government lacks resources to provide proper sanitation, access to clean water, or vaccine coverage for all people at risk, it is now a matter of designing a strategy to tackle each the issue, and if the plan is solid, funds can be acquired and well used.
The following recommendations are not simply observations based on findings shared during the XVI Health Journeys. They are supplemental observations on their actual recommendations, in a broader context if necessary. It seemed unnecessary to bring to light ideas of improvements if the authors have already done so, this being a mere enhancement if they seem incomplete.
Environmental determinants such as water, sanitation, and hygiene synergistically impact the extent of severity of cholera. Thus, Marrufo et al. [4] strongly recommended their evaluation during outbreak-related emergencies. It is true, but such evaluation should not solely occur during outbreaks. Proper management of the way people use water is crucial to prevent outbreaks in the first place, although factors such as heavy rainfall, warm air temperature, or low river flows cannot be controlled, and they increase the exposition of humans to V. cholerae [61, 62]. Ramos et al. [19] and Chissaque et al. [20] agreed, but they proposed a more practical approach through construction of specialized improved latrines, adaptable to high levels of the water table, and improved sanitation. Paulo et al. [22] added that it could be done through multi-sectoral groups involving researchers, community leaders, and engineers. It is eventually necessary to act rather than waste plenty of time analyzing the situation, particularly when it urges to make decisions, but Marrufo’s opinion seems more prudent, and it should be the first step, and then the government could consider improvements, still after evaluating their viability. Considering the cost Dengo-Baloi et al. [7] explained the necessity to evaluate how much the Ministry of Health spends for an immunization campaign, but it applies to all forms of intervention and also research. The economic component is crucial, and it should also include how and where to obtain and channel the funds and the best way to manage it in order to prevent unnecessary losses.
Still within the context of health determinants, Borges et al. [5] manifested preoccupations with the people directly using lake water in Niassa, without any treatment, even when they have potable water available. They intended to understand why, and they recommended studies in this direction. They and other authors [6, 22] also think health education campaigns could lead people to understand the risk of such behavior and ultimately take the appropriate measures. The authors are certainly pointing to a constructive direction, but it is a delicate endeavor to convince people to abandon their values and traditions. Niassa Lake, more than a useful water source, is certainly also a source of recreation and economic activities such as fishing or garimpo, and the reasons why people use the lake even with water at home might be the same as why urban populations leave their homes to a swimming pool or to the sea for surfing or fishing. Maybe they are moved by the experience, not merely out of necessity. The disbelief in cholera as a bacterial worldwide pandemic in favor of theories of government conspiracy worsens the situation. In this case, particularly if the lake is a source of so many benefits, positive psychology seems to be a more effective direction to consider: showing the benefits of using alternatives (e.g., consuming only treated water) for the same ends rather than repeating how prejudicial the lake water might be. It still means that community education is necessary because people have to know how to prevent cholera.
Chitio and Langa [24] called for a clear definition of cases of Aeromonas spp. contaminations during cholera outbreaks to prevent improper treatment. This should not be just for the genus mentioned, but in general physicians should require differential diagnostic for suspected cases of cholera, rather than taking rushed decisions based on arbitrary probability during outbreaks, because it might worsen the problem or create new problems for the patients. If they found that 10% of the cases suspected of cholera were actually related to Aeromonas infection, how many might have been related to other causes than Vibrio or Aeromonas? And which were the consequences of their possible misdiagnosis?
After successfully performing the rapid test for cholera, Dengo-Baloi et al. [18] recommended it as an alternative tool, but they believe that the culture method shall remain to confirm the epidemics, to monitor antibiotic sensitivity, and to produce pure isolates for molecular characterization. Considering how critical outbreaks are, the authors provided a very prudent opinion, and, although their results were highly promising, it is perhaps better to keep testing the method and compare the results with others from authors in different settings before it becomes a standard.
Immunization is already a well-developed area because there are very well-crafted guidelines, based on logical, scientific, and empirical sources, and it has been practiced for many years. Still, healthcare professionals have to face contextual issues, and it results in every-evolving strategies. The door-to-door vaccination strategy seems very effective, and Baltazar et al. [23] said it is better to implement as a preventive measure against potential outbreaks. Having said so, they did not put emphasis on the strategy during outbreaks, possibly because it is preferable to manage the disease when it is easier to control. It is perhaps important to consider the Médecins Sans Frontières [63] recommendations for door-to-door strategies, some of which are already fulfilled. First, it is good that people already have experience with this approach, and there is some acceptance [23]. Second, it is important to coordinate the process with the authorities at neighborhood levels or small communities, where information is easy to spread, and it is also easy to record the number of residents or households in order to keep track of individuals absent during each round and organize catch-up rounds. Baltazar et al. [23] also suggested short-term effectiveness studies, but these have been done and reported by Dengo-Baloi et al. [7] from the same research team. Perhaps the results had not yet been analyzed when Baltazar et al. [23] had already completed their report. To maximize adherence, Botão et al. [8] suggested sensibilization of the population through identification of credible leaders and other influential individualities to function as mobilizers during the entire campaign.
Salência et al. [11] discussed about the indiscriminate use of antibiotic to children with acute diarrhea as a violation of WHO guidelines, and the authors appealed for the optimization of prescription of antibiotics for diarrhea. The authors are correct, but the issue requires perhaps more attention, considering that WHO guidelines result from the international consensus and, in general, physicians are expected to be aware of the dangers of antibiotic overprescription, and this practice is often most likely an act of negligence. Thus, there should be penalties to discourage such kind of misconduct because it is a sensitive public health matter.
The National Health Institute and partners shall keep organizing the National Health Journeys and similar events because they are very constructive platforms in which researchers, scholars, and health professionals can share information and broaden their scope regarding the reality of cholera and other diseases in Mozambique. Such events should be more frequent and organized all over the country to give opportunities to people residing in other areas than the capital city. It would perhaps be a very good idea to promote conferences about the control of cholera or diarrheic diseases in areas of high incidence and engage local health professionals or potential actors who can really influence the current situation.
The final recommendation is based on the words of Chissaque et al. [10] in their summary: the key to control cholera and other diarrheic diseases is a deep understanding of the local epidemiology. Such comprehension would facilitate predictions and planning on how to prevent outbreaks and manage them if they eventually happen. Mozambique could study carefully experiences from other countries where cholera is endemic, such as India or Bangladesh, and understand how they deal with the matter or at least draw some comparisons and interact with foreign scientists. The contexts are surely different, but the problem is similar, and solutions might arise from unexpected variables.
There will be soon more updates on cholera in Mozambique because there were two major outbreaks [40, 64, 65], one still ongoing as this manuscript is under preparation [66]. They are related to the intense tropical cyclones Idai and Kenneth that made landfall in Mozambique’s central and northern provinces, respectively [67]. According to Miller and Adebayo [37], Kenneth it is the strongest cyclone recorded in the country, and together the tragedies certainly caused the biggest losses since the flood in 2000 [68]. Briefly, Devi [40] said that up to April 20, the Ministry of Health had declared an outbreak due to Idai, and there had been at least 4979 cases of cholera and 6 deaths. Regarding Kenneth, the United Nations Office for the Coordination of Humanitarian Affairs (OCHA) [64] declared that as of 12 May, there were 149 confirmed cases of cholera in Pemba, Metuge, and Mecufi.
The authors declare no conflict of interest.
The Internet has irrevocably changed the dynamics of scholarly communication and publishing. Consequently, we find it necessary to indicate, unambiguously, our definition of what we consider to be a published scientific work.
",metaTitle:"Prior Publication Policy",metaDescription:"Prior Publication Policy",metaKeywords:null,canonicalURL:"/page/prior-publication-policy",contentRaw:'[{"type":"htmlEditorComponent","content":"A significant number of working papers, early drafts, and similar work in progress are openly shared online between members of the scientific community. It has become common to announce one’s own research on a personal website or a blog to gather comments and suggestions from other researchers. Such works and online postings are, indeed, published in the sense that they are made publicly available. However, this does not mean that if submitted for publication by IntechOpen they are not original works. We differentiate between reviewed and non-reviewed works when determining whether a work is original and has been published in a scholarly sense or not.
\\n\\nThe significance of Peer Review cannot be overstated when it comes to defining, in our terms, what constitutes a published scientific work. Peer Review is widely considered to be the cornerstone of modern publishing processes and the key value-adding contribution to a scholarly manuscript that a publisher can make.
\\n\\nOther than the issue of originality, research misconduct is another major issue that all publishers have to address. IntechOpen’s Retraction & Correction Policy and various publication ethics guidelines identify both redundant publication and (self)plagiarism to fall within the definition of research misconduct, thus constituting grounds for rejection or the issue of a Retraction if the work has already been published.
\\n\\nIn order to facilitate the tracking of a manuscript’s publishing history and its development from its earliest draft to the manuscript submitted, we encourage Authors to disclose any instances of a manuscript’s prior publication, whether it be through a conference presentation, a newspaper article, a working paper publicly available in a repository or a blog post.
\\n\\nA note to the Academic Editor containing detailed information about a submitted manuscript’s previous public availability is the preferred means of reporting prior publication. This helps us determine if there are any earlier versions of a manuscript that should be disclosed to our readers or if any of those earlier versions should be cited and listed in a manuscript’s references.
\\n\\nSome basic information about the editorial treatment of different varieties of prior publication is laid out below:
\\n\\n1. CONFERENCE PAPERS & PRESENTATIONS
\\n\\nGiven that conference papers and presentations generally pass through some sort of peer or editorial review, we consider them to be published in the accepted scholarly sense, particularly if they are published as a part of conference proceedings.
\\n\\nAll submitted manuscripts originating from a previously published conference paper must contain at least 50% of new original content to be accepted for review and considered for publication.
\\n\\nAuthors are required to report any links their manuscript might have with their earlier conference papers and presentations in a note to the Academic Editor, as well as in the manuscript itself. Additionally, Authors should obtain any necessary permissions from the publisher of their conference paper if copyright transfer occurred during the publishing process. Failure to do so may prevent Us from publishing an otherwise worthy work.
\\n\\n2. NEWSPAPER & MAGAZINE ARTICLES
\\n\\nNewspaper and magazine articles usually do not pass through any extensive peer or editorial review and we do not consider them to be published in the scholarly sense. Articles appearing in newspapers and magazines rarely possess the depth and structure characteristic of scholarly articles.
\\n\\nSubmitted manuscripts stemming from a previous newspaper or magazine article will be accepted for review and considered for publication. However, Authors are strongly advised to report any such publication in an accompanying note to the External Editor.
\\n\\nAs with the conference papers and presentations, Authors should obtain any necessary permissions from the newspaper or magazine that published the work, and indicate that they have done so in a note to the External Editor.
\\n\\n3. GREY LITERATURE
\\n\\nWhite papers, working papers, technical reports and all other forms of papers which fall within the scope of the ‘Luxembourg definition’ of grey literature do not pass through any extensive peer or editorial review and we do not consider them to be published in the scholarly sense.
\\n\\nAlthough such papers are regularly made publicly available via personal websites and institutional repositories, their general purpose is to gather comments and feedback from Authors’ colleagues in order to further improve a manuscript intended for future publication.
\\n\\nWhen submitting their work, Authors are required to disclose the existence of any publicly available earlier drafts in a note to the Academic Editor. In cases where earlier drafts of the submitted version of the manuscript are publicly available, any overlap between the versions will generally not be considered an instance of self-plagiarism.
\\n\\n4. SOCIAL MEDIA, BLOG & MESSAGE BOARD POSTINGS
\\n\\nWe feel that social media, blogs and message boards are generally used with the same intention as grey literature, to formulate ideas for a manuscript and gather early feedback from like-minded researchers in order to improve a particular piece of work before submitting it for publication. Therefore, we do not consider such internet postings to be publication in the scholarly sense.
\\n\\nNevertheless, Authors are encouraged to disclose the existence of any internet postings in which they outline and describe their research or posted passages of their manuscripts in a note to the Academic Editor. Please note that we will not strictly enforce this request in the same way that we would instructions we consider to be part of our conditions of acceptance for publication. We understand that it may be difficult to keep track of all one’s internet postings in which the researcher´s current work might be mentioned.
\\n\\nIn cases where there is any overlap between the Author´s submitted manuscript and related internet postings, we will generally not consider it to be an instance of self-plagiarism. This also holds true for any co-Author as well.
\\n\\nFor more information on this policy please contact permissions@intechopen.com.
\\n\\nPolicy last updated: 2017-03-20
\\n"}]'},components:[{type:"htmlEditorComponent",content:'A significant number of working papers, early drafts, and similar work in progress are openly shared online between members of the scientific community. It has become common to announce one’s own research on a personal website or a blog to gather comments and suggestions from other researchers. Such works and online postings are, indeed, published in the sense that they are made publicly available. However, this does not mean that if submitted for publication by IntechOpen they are not original works. We differentiate between reviewed and non-reviewed works when determining whether a work is original and has been published in a scholarly sense or not.
\n\nThe significance of Peer Review cannot be overstated when it comes to defining, in our terms, what constitutes a published scientific work. Peer Review is widely considered to be the cornerstone of modern publishing processes and the key value-adding contribution to a scholarly manuscript that a publisher can make.
\n\nOther than the issue of originality, research misconduct is another major issue that all publishers have to address. IntechOpen’s Retraction & Correction Policy and various publication ethics guidelines identify both redundant publication and (self)plagiarism to fall within the definition of research misconduct, thus constituting grounds for rejection or the issue of a Retraction if the work has already been published.
\n\nIn order to facilitate the tracking of a manuscript’s publishing history and its development from its earliest draft to the manuscript submitted, we encourage Authors to disclose any instances of a manuscript’s prior publication, whether it be through a conference presentation, a newspaper article, a working paper publicly available in a repository or a blog post.
\n\nA note to the Academic Editor containing detailed information about a submitted manuscript’s previous public availability is the preferred means of reporting prior publication. This helps us determine if there are any earlier versions of a manuscript that should be disclosed to our readers or if any of those earlier versions should be cited and listed in a manuscript’s references.
\n\nSome basic information about the editorial treatment of different varieties of prior publication is laid out below:
\n\n1. CONFERENCE PAPERS & PRESENTATIONS
\n\nGiven that conference papers and presentations generally pass through some sort of peer or editorial review, we consider them to be published in the accepted scholarly sense, particularly if they are published as a part of conference proceedings.
\n\nAll submitted manuscripts originating from a previously published conference paper must contain at least 50% of new original content to be accepted for review and considered for publication.
\n\nAuthors are required to report any links their manuscript might have with their earlier conference papers and presentations in a note to the Academic Editor, as well as in the manuscript itself. Additionally, Authors should obtain any necessary permissions from the publisher of their conference paper if copyright transfer occurred during the publishing process. Failure to do so may prevent Us from publishing an otherwise worthy work.
\n\n2. NEWSPAPER & MAGAZINE ARTICLES
\n\nNewspaper and magazine articles usually do not pass through any extensive peer or editorial review and we do not consider them to be published in the scholarly sense. Articles appearing in newspapers and magazines rarely possess the depth and structure characteristic of scholarly articles.
\n\nSubmitted manuscripts stemming from a previous newspaper or magazine article will be accepted for review and considered for publication. However, Authors are strongly advised to report any such publication in an accompanying note to the External Editor.
\n\nAs with the conference papers and presentations, Authors should obtain any necessary permissions from the newspaper or magazine that published the work, and indicate that they have done so in a note to the External Editor.
\n\n3. GREY LITERATURE
\n\nWhite papers, working papers, technical reports and all other forms of papers which fall within the scope of the ‘Luxembourg definition’ of grey literature do not pass through any extensive peer or editorial review and we do not consider them to be published in the scholarly sense.
\n\nAlthough such papers are regularly made publicly available via personal websites and institutional repositories, their general purpose is to gather comments and feedback from Authors’ colleagues in order to further improve a manuscript intended for future publication.
\n\nWhen submitting their work, Authors are required to disclose the existence of any publicly available earlier drafts in a note to the Academic Editor. In cases where earlier drafts of the submitted version of the manuscript are publicly available, any overlap between the versions will generally not be considered an instance of self-plagiarism.
\n\n4. SOCIAL MEDIA, BLOG & MESSAGE BOARD POSTINGS
\n\nWe feel that social media, blogs and message boards are generally used with the same intention as grey literature, to formulate ideas for a manuscript and gather early feedback from like-minded researchers in order to improve a particular piece of work before submitting it for publication. Therefore, we do not consider such internet postings to be publication in the scholarly sense.
\n\nNevertheless, Authors are encouraged to disclose the existence of any internet postings in which they outline and describe their research or posted passages of their manuscripts in a note to the Academic Editor. Please note that we will not strictly enforce this request in the same way that we would instructions we consider to be part of our conditions of acceptance for publication. We understand that it may be difficult to keep track of all one’s internet postings in which the researcher´s current work might be mentioned.
\n\nIn cases where there is any overlap between the Author´s submitted manuscript and related internet postings, we will generally not consider it to be an instance of self-plagiarism. This also holds true for any co-Author as well.
\n\nFor more information on this policy please contact permissions@intechopen.com.
\n\nPolicy last updated: 2017-03-20
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She performed (inter)national tasks as vice-president of the Concilium Anaesthesia and related committees. \nShe performed research in several fields, with over 100 publications in (inter)national journals and numerous papers on scientific conferences. \nShe received several awards and is a member of Honour of the Dutch Society of Anaesthesia.",institutionString:null,institution:{name:"Albert Schweitzer Hospital",country:{name:"Gabon"}}},{id:"83089",title:"Prof.",name:"Aaron",middleName:null,surname:"Ojule",slug:"aaron-ojule",fullName:"Aaron Ojule",position:null,profilePictureURL:"//cdnintech.com/web/frontend/www/assets/author.svg",biography:null,institutionString:null,institution:{name:"University of Port Harcourt",country:{name:"Nigeria"}}},{id:"295748",title:"Mr.",name:"Abayomi",middleName:null,surname:"Modupe",slug:"abayomi-modupe",fullName:"Abayomi Modupe",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/no_image.jpg",biography:null,institutionString:null,institution:{name:"Landmark University",country:{name:"Nigeria"}}},{id:"94191",title:"Prof.",name:"Abbas",middleName:null,surname:"Moustafa",slug:"abbas-moustafa",fullName:"Abbas Moustafa",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/94191/images/96_n.jpg",biography:"Prof. Moustafa got his doctoral degree in earthquake engineering and structural safety from Indian Institute of Science in 2002. He is currently an associate professor at Department of Civil Engineering, Minia University, Egypt and the chairman of Department of Civil Engineering, High Institute of Engineering and Technology, Giza, Egypt. He is also a consultant engineer and head of structural group at Hamza Associates, Giza, Egypt. Dr. Moustafa was a senior research associate at Vanderbilt University and a JSPS fellow at Kyoto and Nagasaki Universities. He has more than 40 research papers published in international journals and conferences. He acts as an editorial board member and a reviewer for several regional and international journals. His research interest includes earthquake engineering, seismic design, nonlinear dynamics, random vibration, structural reliability, structural health monitoring and uncertainty modeling.",institutionString:null,institution:{name:"Minia University",country:{name:"Egypt"}}},{id:"84562",title:"Dr.",name:"Abbyssinia",middleName:null,surname:"Mushunje",slug:"abbyssinia-mushunje",fullName:"Abbyssinia Mushunje",position:null,profilePictureURL:"//cdnintech.com/web/frontend/www/assets/author.svg",biography:null,institutionString:null,institution:{name:"University of Fort Hare",country:{name:"South Africa"}}},{id:"202206",title:"Associate Prof.",name:"Abd Elmoniem",middleName:"Ahmed",surname:"Elzain",slug:"abd-elmoniem-elzain",fullName:"Abd Elmoniem Elzain",position:null,profilePictureURL:"//cdnintech.com/web/frontend/www/assets/author.svg",biography:null,institutionString:null,institution:{name:"Kassala University",country:{name:"Sudan"}}},{id:"98127",title:"Dr.",name:"Abdallah",middleName:null,surname:"Handoura",slug:"abdallah-handoura",fullName:"Abdallah Handoura",position:null,profilePictureURL:"//cdnintech.com/web/frontend/www/assets/author.svg",biography:null,institutionString:null,institution:{name:"École Supérieure des Télécommunications",country:{name:"Morocco"}}},{id:"91404",title:"Prof.",name:"Abdecharif",middleName:null,surname:"Boumaza",slug:"abdecharif-boumaza",fullName:"Abdecharif Boumaza",position:null,profilePictureURL:"//cdnintech.com/web/frontend/www/assets/author.svg",biography:null,institutionString:null,institution:{name:"Abbès Laghrour University of Khenchela",country:{name:"Algeria"}}},{id:"105795",title:"Prof.",name:"Abdel Ghani",middleName:null,surname:"Aissaoui",slug:"abdel-ghani-aissaoui",fullName:"Abdel Ghani Aissaoui",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/105795/images/system/105795.jpeg",biography:"Abdel Ghani AISSAOUI is a Full Professor of electrical engineering at University of Bechar (ALGERIA). He was born in 1969 in Naama, Algeria. He received his BS degree in 1993, the MS degree in 1997, the PhD degree in 2007 from the Electrical Engineering Institute of Djilali Liabes University of Sidi Bel Abbes (ALGERIA). He is an active member of IRECOM (Interaction Réseaux Electriques - COnvertisseurs Machines) Laboratory and IEEE senior member. He is an editor member for many international journals (IJET, RSE, MER, IJECE, etc.), he serves as a reviewer in international journals (IJAC, ECPS, COMPEL, etc.). He serves as member in technical committee (TPC) and reviewer in international conferences (CHUSER 2011, SHUSER 2012, PECON 2012, SAI 2013, SCSE2013, SDM2014, SEB2014, PEMC2014, PEAM2014, SEB (2014, 2015), ICRERA (2015, 2016, 2017, 2018,-2019), etc.). His current research interest includes power electronics, control of electrical machines, artificial intelligence and Renewable energies.",institutionString:"University of Béchar",institution:{name:"University of Béchar",country:{name:"Algeria"}}},{id:"99749",title:"Dr.",name:"Abdel Hafid",middleName:null,surname:"Essadki",slug:"abdel-hafid-essadki",fullName:"Abdel Hafid Essadki",position:null,profilePictureURL:"//cdnintech.com/web/frontend/www/assets/author.svg",biography:null,institutionString:null,institution:{name:"École Nationale Supérieure de Technologie",country:{name:"Algeria"}}},{id:"101208",title:"Prof.",name:"Abdel Karim",middleName:"Mohamad",surname:"El Hemaly",slug:"abdel-karim-el-hemaly",fullName:"Abdel Karim El Hemaly",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/101208/images/733_n.jpg",biography:"OBGYN.net Editorial Advisor Urogynecology.\nAbdel Karim M. A. El-Hemaly, MRCOG, FRCS � Egypt.\n \nAbdel Karim M. A. El-Hemaly\nProfessor OB/GYN & Urogynecology\nFaculty of medicine, Al-Azhar University \nPersonal Information: \nMarried with two children\nWife: Professor Laila A. Moussa MD.\nSons: Mohamad A. M. El-Hemaly Jr. MD. Died March 25-2007\nMostafa A. M. El-Hemaly, Computer Scientist working at Microsoft Seatle, USA. \nQualifications: \n1.\tM.B.-Bch Cairo Univ. June 1963. \n2.\tDiploma Ob./Gyn. Cairo Univ. April 1966. \n3.\tDiploma Surgery Cairo Univ. Oct. 1966. \n4.\tMRCOG London Feb. 1975. \n5.\tF.R.C.S. Glasgow June 1976. \n6.\tPopulation Study Johns Hopkins 1981. \n7.\tGyn. Oncology Johns Hopkins 1983. \n8.\tAdvanced Laparoscopic Surgery, with Prof. Paulson, Alexandria, Virginia USA 1993. \nSocieties & Associations: \n1.\t Member of the Royal College of Ob./Gyn. London. \n2.\tFellow of the Royal College of Surgeons Glasgow UK. \n3.\tMember of the advisory board on urogyn. FIGO. \n4.\tMember of the New York Academy of Sciences. \n5.\tMember of the American Association for the Advancement of Science. \n6.\tFeatured in �Who is Who in the World� from the 16th edition to the 20th edition. \n7.\tFeatured in �Who is Who in Science and Engineering� in the 7th edition. \n8.\tMember of the Egyptian Fertility & Sterility Society. \n9.\tMember of the Egyptian Society of Ob./Gyn. \n10.\tMember of the Egyptian Society of Urogyn. \n\nScientific Publications & Communications:\n1- Abdel Karim M. El Hemaly*, Ibrahim M. Kandil, Asim Kurjak, Ahmad G. Serour, Laila A. S. Mousa, Amr M. Zaied, Khalid Z. El Sheikha. \nImaging the Internal Urethral Sphincter and the Vagina in Normal Women and Women Suffering from Stress Urinary Incontinence and Vaginal Prolapse. Gynaecologia Et Perinatologia, Vol18, No 4; 169-286 October-December 2009.\n2- Abdel Karim M. El Hemaly*, Laila A. S. Mousa Ibrahim M. Kandil, Fatma S. El Sokkary, Ahmad G. Serour, Hossam Hussein.\nFecal Incontinence, A Novel Concept: The Role of the internal Anal sphincter (IAS) in defecation and fecal incontinence. Gynaecologia Et Perinatologia, Vol19, No 2; 79-85 April -June 2010.\n3- Abdel Karim M. El Hemaly*, Laila A. S. Mousa Ibrahim M. Kandil, Fatma S. El Sokkary, Ahmad G. Serour, Hossam Hussein.\nSurgical Treatment of Stress Urinary Incontinence, Fecal Incontinence and Vaginal Prolapse By A Novel Operation \n"Urethro-Ano-Vaginoplasty"\n Gynaecologia Et Perinatologia, Vol19, No 3; 129-188 July-September 2010.\n4- Abdel Karim M. El Hemaly*, Ibrahim M. Kandil, Laila A. S. Mousa and Mohamad A.K.M.El Hemaly.\nUrethro-vaginoplasty, an innovated operation for the treatment of: Stress Urinary Incontinence (SUI), Detursor Overactivity (DO), Mixed Urinary Incontinence and Anterior Vaginal Wall Descent. \nhttp://www.obgyn.net/urogyn/urogyn.asp?page=/urogyn/articles/ urethro-vaginoplasty_01\n\n5- Abdel Karim M. El Hemaly, Ibrahim M Kandil, Mohamed M. Radwan.\n Urethro-raphy a new technique for surgical management of Stress Urinary Incontinence.\nhttp://www.obgyn.net/urogyn/urogyn.asp?page=/urogyn/articles/\nnew-tech-urethro\n\n6- Abdel Karim M. El Hemaly, Ibrahim M Kandil, Mohamad A. Rizk, Nabil Abdel Maksoud H., Mohamad M. Radwan, Khalid Z. El Shieka, Mohamad A. K. M. El Hemaly, and Ahmad T. El Saban.\nUrethro-raphy The New Operation for the treatment of stress urinary incontinence, SUI, detrusor instability, DI, and mixed-type of urinary incontinence; short and long term results. \nhttp://www.obgyn.net/urogyn/urogyn.asp?page=urogyn/articles/\nurethroraphy-09280\n\n7-Abdel Karim M. El Hemaly, Ibrahim M Kandil, and Bahaa E. El Mohamady. Menopause, and Voiding troubles. \nhttp://www.obgyn.net/displayppt.asp?page=/English/pubs/features/presentations/El-Hemaly03/el-hemaly03-ss\n\n8-El Hemaly AKMA, Mousa L.A. Micturition and Urinary\tContinence. Int J Gynecol Obstet 1996; 42: 291-2. \n\n9-Abdel Karim M. El Hemaly.\n Urinary incontinence in gynecology, a review article.\nhttp://www.obgyn.net/urogyn/urogyn.asp?page=/urogyn/articles/abs-urinary_incotinence_gyn_ehemaly \n\n10-El Hemaly AKMA. Nocturnal Enuresis: Pathogenesis and Treatment. \nInt Urogynecol J Pelvic Floor Dysfunct 1998;9: 129-31.\n \n11-El Hemaly AKMA, Mousa L.A.E. Stress Urinary Incontinence, a New Concept. Eur J Obstet Gynecol Reprod Biol 1996; 68: 129-35. \n\n12- El Hemaly AKMA, Kandil I. M. Stress Urinary Incontinence SUI facts and fiction. Is SUI a puzzle?! http://www.obgyn.net/displayppt.asp?page=/English/pubs/features/presentations/El-Hemaly/el-hemaly-ss\n\n13-Abdel Karim El Hemaly, Nabil Abdel Maksoud, Laila A. Mousa, Ibrahim M. Kandil, Asem Anwar, M.A.K El Hemaly and Bahaa E. El Mohamady. \nEvidence based Facts on the Pathogenesis and Management of SUI. http://www.obgyn.net/displayppt.asp?page=/English/pubs/features/presentations/El-Hemaly02/el-hemaly02-ss\n\n14- Abdel Karim M. El Hemaly*, Ibrahim M. Kandil, Mohamad A. Rizk and Mohamad A.K.M.El Hemaly.\n Urethro-plasty, a Novel Operation based on a New Concept, for the Treatment of Stress Urinary Incontinence, S.U.I., Detrusor Instability, D.I., and Mixed-type of Urinary Incontinence.\nhttp://www.obgyn.net/urogyn/urogyn.asp?page=/urogyn/articles/urethro-plasty_01\n\n15-Ibrahim M. Kandil, Abdel Karim M. El Hemaly, Mohamad M. Radwan: Ultrasonic Assessment of the Internal Urethral Sphincter in Stress Urinary Incontinence. The Internet Journal of Gynecology and Obstetrics. 2003. Volume 2 Number 1. \n\n\n16-Abdel Karim M. El Hemaly. Nocturnal Enureses: A Novel Concept on its pathogenesis and Treatment.\nhttp://www.obgyn.net/urogynecolgy/?page=articles/nocturnal_enuresis\n\n17- Abdel Karim M. El Hemaly. Nocturnal Enureses: An Update on the pathogenesis and Treatment.\nhttp://www.obgyn.net/urogynecology/?page=/ENHLIDH/PUBD/FEATURES/\nPresentations/ Nocturnal_Enuresis/nocturnal_enuresis\n\n18-Maternal Mortality in Egypt, a cry for help and attention. The Second International Conference of the African Society of Organization & Gestosis, 1998, 3rd Annual International Conference of Ob/Gyn Department � Sohag Faculty of Medicine University. Feb. 11-13. Luxor, Egypt. \n19-Postmenopausal Osteprosis. The 2nd annual conference of Health Insurance Organization on Family Planning and its role in primary health care. Zagaziz, Egypt, February 26-27, 1997, Center of Complementary Services for Maternity and childhood care. \n20-Laparoscopic Assisted vaginal hysterectomy. 10th International Annual Congress Modern Trends in Reproductive Techniques 23-24 March 1995. Alexandria, Egypt. \n21-Immunological Studies in Pre-eclamptic Toxaemia. Proceedings of 10th Annual Ain Shams Medical Congress. Cairo, Egypt, March 6-10, 1987. \n22-Socio-demographic factorse affecting acceptability of the long-acting contraceptive injections in a rural Egyptian community. Journal of Biosocial Science 29:305, 1987. \n23-Plasma fibronectin levels hypertension during pregnancy. The Journal of the Egypt. Soc. of Ob./Gyn. 13:1, 17-21, Jan. 1987. \n24-Effect of smoking on pregnancy. Journal of Egypt. Soc. of Ob./Gyn. 12:3, 111-121, Sept 1986. \n25-Socio-demographic aspects of nausea and vomiting in early pregnancy. Journal of the Egypt. Soc. of Ob./Gyn. 12:3, 35-42, Sept. 1986. \n26-Effect of intrapartum oxygen inhalation on maternofetal blood gases and pH. Journal of the Egypt. Soc. of Ob./Gyn. 12:3, 57-64, Sept. 1986. \n27-The effect of severe pre-eclampsia on serum transaminases. The Egypt. J. Med. Sci. 7(2): 479-485, 1986. \n28-A study of placental immunoreceptors in pre-eclampsia. The Egypt. J. Med. Sci. 7(2): 211-216, 1986. \n29-Serum human placental lactogen (hpl) in normal, toxaemic and diabetic pregnant women, during pregnancy and its relation to the outcome of pregnancy. Journal of the Egypt. Soc. of Ob./Gyn. 12:2, 11-23, May 1986. \n30-Pregnancy specific B1 Glycoprotein and free estriol in the serum of normal, toxaemic and diabetic pregnant women during pregnancy and after delivery. Journal of the Egypt. Soc. of Ob./Gyn. 12:1, 63-70, Jan. 1986. Also was accepted and presented at Xith World Congress of Gynecology and Obstetrics, Berlin (West), September 15-20, 1985. \n31-Pregnancy and labor in women over the age of forty years. Accepted and presented at Al-Azhar International Medical Conference, Cairo 28-31 Dec. 1985. \n32-Effect of Copper T intra-uterine device on cervico-vaginal flora. Int. J. Gynaecol. Obstet. 23:2, 153-156, April 1985. \n33-Factors affecting the occurrence of post-Caesarean section febrile morbidity. Population Sciences, 6, 139-149, 1985. \n34-Pre-eclamptic toxaemia and its relation to H.L.A. system. Population Sciences, 6, 131-139, 1985. \n35-The menstrual pattern and occurrence of pregnancy one year after discontinuation of Depo-medroxy progesterone acetate as a postpartum contraceptive. Population Sciences, 6, 105-111, 1985. \n36-The menstrual pattern and side effects of Depo-medroxy progesterone acetate as postpartum contraceptive. Population Sciences, 6, 97-105, 1985. \n37-Actinomyces in the vaginas of women with and without intrauterine contraceptive devices. Population Sciences, 6, 77-85, 1985. \n38-Comparative efficacy of ibuprofen and etamsylate in the treatment of I.U.D. menorrhagia. Population Sciences, 6, 63-77, 1985. \n39-Changes in cervical mucus copper and zinc in women using I.U.D.�s. Population Sciences, 6, 35-41, 1985. \n40-Histochemical study of the endometrium of infertile women. Egypt. J. Histol. 8(1) 63-66, 1985. \n41-Genital flora in pre- and post-menopausal women. Egypt. J. Med. Sci. 4(2), 165-172, 1983. \n42-Evaluation of the vaginal rugae and thickness in 8 different groups. Journal of the Egypt. Soc. of Ob./Gyn. 9:2, 101-114, May 1983. \n43-The effect of menopausal status and conjugated oestrogen therapy on serum cholesterol, triglycerides and electrophoretic lipoprotein patterns. Al-Azhar Medical Journal, 12:2, 113-119, April 1983. \n44-Laparoscopic ventrosuspension: A New Technique. Int. J. Gynaecol. Obstet., 20, 129-31, 1982. \n45-The laparoscope: A useful diagnostic tool in general surgery. Al-Azhar Medical Journal, 11:4, 397-401, Oct. 1982. \n46-The value of the laparoscope in the diagnosis of polycystic ovary. Al-Azhar Medical Journal, 11:2, 153-159, April 1982. \n47-An anaesthetic approach to the management of eclampsia. Ain Shams Medical Journal, accepted for publication 1981. \n48-Laparoscopy on patients with previous lower abdominal surgery. Fertility management edited by E. Osman and M. Wahba 1981. \n49-Heart diseases with pregnancy. Population Sciences, 11, 121-130, 1981. \n50-A study of the biosocial factors affecting perinatal mortality in an Egyptian maternity hospital. Population Sciences, 6, 71-90, 1981. \n51-Pregnancy Wastage. Journal of the Egypt. Soc. of Ob./Gyn. 11:3, 57-67, Sept. 1980. \n52-Analysis of maternal deaths in Egyptian maternity hospitals. Population Sciences, 1, 59-65, 1979. \nArticles published on OBGYN.net: \n1- Abdel Karim M. El Hemaly*, Ibrahim M. Kandil, Laila A. S. Mousa and Mohamad A.K.M.El Hemaly.\nUrethro-vaginoplasty, an innovated operation for the treatment of: Stress Urinary Incontinence (SUI), Detursor Overactivity (DO), Mixed Urinary Incontinence and Anterior Vaginal Wall Descent. \nhttp://www.obgyn.net/urogyn/urogyn.asp?page=/urogyn/articles/ urethro-vaginoplasty_01\n\n2- Abdel Karim M. El Hemaly, Ibrahim M Kandil, Mohamed M. Radwan.\n Urethro-raphy a new technique for surgical management of Stress Urinary Incontinence.\nhttp://www.obgyn.net/urogyn/urogyn.asp?page=/urogyn/articles/\nnew-tech-urethro\n\n3- Abdel Karim M. El Hemaly, Ibrahim M Kandil, Mohamad A. Rizk, Nabil Abdel Maksoud H., Mohamad M. Radwan, Khalid Z. El Shieka, Mohamad A. K. M. El Hemaly, and Ahmad T. El Saban.\nUrethro-raphy The New Operation for the treatment of stress urinary incontinence, SUI, detrusor instability, DI, and mixed-type of urinary incontinence; short and long term results. \nhttp://www.obgyn.net/urogyn/urogyn.asp?page=urogyn/articles/\nurethroraphy-09280\n\n4-Abdel Karim M. El Hemaly, Ibrahim M Kandil, and Bahaa E. El Mohamady. Menopause, and Voiding troubles. \nhttp://www.obgyn.net/displayppt.asp?page=/English/pubs/features/presentations/El-Hemaly03/el-hemaly03-ss\n\n5-El Hemaly AKMA, Mousa L.A. Micturition and Urinary\tContinence. Int J Gynecol Obstet 1996; 42: 291-2. \n\n6-Abdel Karim M. El Hemaly.\n Urinary incontinence in gynecology, a review article.\nhttp://www.obgyn.net/urogyn/urogyn.asp?page=/urogyn/articles/abs-urinary_incotinence_gyn_ehemaly \n\n7-El Hemaly AKMA. Nocturnal Enuresis: Pathogenesis and Treatment. \nInt Urogynecol J Pelvic Floor Dysfunct 1998;9: 129-31.\n \n8-El Hemaly AKMA, Mousa L.A.E. Stress Urinary Incontinence, a New Concept. Eur J Obstet Gynecol Reprod Biol 1996; 68: 129-35. \n\n9- El Hemaly AKMA, Kandil I. M. Stress Urinary Incontinence SUI facts and fiction. Is SUI a puzzle?! http://www.obgyn.net/displayppt.asp?page=/English/pubs/features/presentations/El-Hemaly/el-hemaly-ss\n\n10-Abdel Karim El Hemaly, Nabil Abdel Maksoud, Laila A. Mousa, Ibrahim M. Kandil, Asem Anwar, M.A.K El Hemaly and Bahaa E. El Mohamady. \nEvidence based Facts on the Pathogenesis and Management of SUI. http://www.obgyn.net/displayppt.asp?page=/English/pubs/features/presentations/El-Hemaly02/el-hemaly02-ss\n\n11- Abdel Karim M. El Hemaly*, Ibrahim M. Kandil, Mohamad A. Rizk and Mohamad A.K.M.El Hemaly.\n Urethro-plasty, a Novel Operation based on a New Concept, for the Treatment of Stress Urinary Incontinence, S.U.I., Detrusor Instability, D.I., and Mixed-type of Urinary Incontinence.\nhttp://www.obgyn.net/urogyn/urogyn.asp?page=/urogyn/articles/urethro-plasty_01\n\n12-Ibrahim M. Kandil, Abdel Karim M. El Hemaly, Mohamad M. Radwan: Ultrasonic Assessment of the Internal Urethral Sphincter in Stress Urinary Incontinence. The Internet Journal of Gynecology and Obstetrics. 2003. Volume 2 Number 1. \n\n13-Abdel Karim M. El Hemaly. Nocturnal Enureses: A Novel Concept on its pathogenesis and Treatment.\nhttp://www.obgyn.net/urogynecolgy/?page=articles/nocturnal_enuresis\n\n14- Abdel Karim M. El Hemaly. Nocturnal Enureses: An Update on the pathogenesis and Treatment.\nhttp://www.obgyn.net/urogynecology/?page=/ENHLIDH/PUBD/FEATURES/\nPresentations/ Nocturnal_Enuresis/nocturnal_enuresis",institutionString:null,institution:{name:"Al Azhar University",country:{name:"Egypt"}}},{id:"113313",title:"Dr.",name:"Abdel-Aal",middleName:null,surname:"Mantawy",slug:"abdel-aal-mantawy",fullName:"Abdel-Aal Mantawy",position:null,profilePictureURL:"//cdnintech.com/web/frontend/www/assets/author.svg",biography:null,institutionString:null,institution:{name:"Ain Shams University",country:{name:"Egypt"}}}],filtersByRegion:[{group:"region",caption:"North America",value:1,count:5681},{group:"region",caption:"Middle and South America",value:2,count:5161},{group:"region",caption:"Africa",value:3,count:1683},{group:"region",caption:"Asia",value:4,count:10200},{group:"region",caption:"Australia and Oceania",value:5,count:886},{group:"region",caption:"Europe",value:6,count:15610}],offset:12,limit:12,total:1683},chapterEmbeded:{data:{}},editorApplication:{success:null,errors:{}},ofsBooks:{filterParams:{sort:"qngrRaqGuveqFgrcChoyvfu"},books:[],filtersByTopic:[{group:"topic",caption:"Agricultural and Biological Sciences",value:5,count:9},{group:"topic",caption:"Biochemistry, Genetics and Molecular Biology",value:6,count:18},{group:"topic",caption:"Business, Management and Economics",value:7,count:2},{group:"topic",caption:"Chemistry",value:8,count:7},{group:"topic",caption:"Computer and Information Science",value:9,count:10},{group:"topic",caption:"Earth and Planetary Sciences",value:10,count:5},{group:"topic",caption:"Engineering",value:11,count:14},{group:"topic",caption:"Environmental Sciences",value:12,count:2},{group:"topic",caption:"Immunology and Microbiology",value:13,count:5},{group:"topic",caption:"Materials Science",value:14,count:4},{group:"topic",caption:"Mathematics",value:15,count:1},{group:"topic",caption:"Medicine",value:16,count:63},{group:"topic",caption:"Nanotechnology and Nanomaterials",value:17,count:1},{group:"topic",caption:"Neuroscience",value:18,count:1},{group:"topic",caption:"Pharmacology, Toxicology and Pharmaceutical Science",value:19,count:6},{group:"topic",caption:"Physics",value:20,count:2},{group:"topic",caption:"Psychology",value:21,count:3},{group:"topic",caption:"Robotics",value:22,count:1},{group:"topic",caption:"Social Sciences",value:23,count:3},{group:"topic",caption:"Technology",value:24,count:1},{group:"topic",caption:"Veterinary Medicine and Science",value:25,count:2}],offset:0,limit:12,total:null},popularBooks:{featuredBooks:[{type:"book",id:"9208",title:"Welding",subtitle:"Modern Topics",isOpenForSubmission:!1,hash:"7d6be076ccf3a3f8bd2ca52d86d4506b",slug:"welding-modern-topics",bookSignature:"Sadek Crisóstomo Absi Alfaro, Wojciech Borek and Błażej Tomiczek",coverURL:"https://cdn.intechopen.com/books/images_new/9208.jpg",editors:[{id:"65292",title:"Prof.",name:"Sadek Crisostomo Absi",middleName:"C. 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