Open access peer-reviewed Edited Volume

Parasitic Flukes

Omolade Okwa

Lagos State University


Epidemiology Flukes Schistosoma Snail Host Opisthorchis Sinensis Fasciolopsis Buski Fascioliasis Liver Flukes Gastrointestinal Disorders Haematuria Intestinal Flukes Ivermectin

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About the book

Parasitic flukes are exclusive endoparasites of vertebrates affect humans and domestic animals. They are digenetic trematodes of the phylum platyhelminthes often exhibiting polyembryonic stages. Around 9,000 species have been described. Their body is covered with a tegument, a peculiar kind of epidermal arrangement in which the main cell bodies are deep and the exterior layer is syncytial. Most digenetic trematodes ( flukes) have complex life cycles, with larval stages parasitizing one or more species that are different from a host of adults. In other words, they have a life cycle requiring two or more hosts. In such cycles, the final host is termed the primary or definitive host. While the other (or others) are intermediate hosts. Freshwater nails which are mollusc are the intermediate host. The polyembryonic development with series of larval stages are called: miracidium, sporocyst (daughter sporocyst), rediae (daughter rediae), cercariae and metacercariae, two suckers (oral/ventral or oral/dorsal). this is crucial to the sustainability of the parasites.

Schistosoma species ( Blood fluke) is widespread of the parasitic flukes and is also known as bilharzia or bilharziosis or snail fever in many countries, after German physician Theodor Bilharz, who first described the cause of urinary schistosomiasis in 1851.

It is second only to malaria, of the parasitic infections worldwide. Species of Schistosoma that infects humans are: Schistosoma mansoni and Schistosoma intercalatum which causes intestinal schistosomiasis. Schistosoma haematobium which causes urinary schistosomiasis, Schistosoma japonicum and Schistosoma mekongi which causes Asian intestinal schistosomiasis. Other important digeneans are : Fasciola hepatica and Fasciola gigantica (Liver flukes), Dicrrocoelium dentriticum ( Lancet liver fluke), Fasciolopsis buski, Opisthorchis sinensis (Chnese liver fluke), Paramphistomum species ( Stomach fluke), Paragonimus specie ( Lung fluke).

This book will intend to review the prevalences, epidemiology, pathogenesis, prevention, and control of these parasitic flukes albeit described as neglected tropical diseases. The control of parasitic flukes is nevertheless crucial and worthy to be considered.

Publishing process

Book initiated and editor appointed

Date completed: October 3rd 2019

Applications to edit the book are assessed and a suitable editor is selected, at which point the process begins.

Chapter proposals submitted and reviewed

Deadline for chapter proposals: October 24th 2019

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Approved chapters written in full and submitted

Deadline for full chapters: December 23rd 2019

Once approved by the academic editor and publishing review team, chapters are written and submitted according to pre-agreed parameters

Full chapters peer reviewed

Review results due: March 12th 2020

Full chapter manuscripts are screened for plagiarism and undergo a Main Editor Peer Review. Results are sent to authors within 30 days of submission, with suggestions for rounds of revisions.

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Expected publication date: May 11th 2020

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About the editor

Omolade Okwa

Lagos State University

Omolade O. Okwa has Ph.D. Parasitology (1997), M. Sc Cellular Parasitology (1992) and B. Sc (Hons) Zoology (1990) all from the University of Ibadan, Nigeria. She completed and obtained her West African School Certificate (WAEC) from Ikeja High School, G.R.A Ikeja, Lagos, Nigeria She was a recipient of Commonwealth fellowship supported by British Council tenable at Center for Entomology and Parasitology (CAEP), School of Life Sciences, Keele University, Staffordshire, United Kingdom. She was a visiting Honorary Visiting Research Fellow at Keele University from 2005-2007. She is a member of Malaria Society of Nigeria (MSN), Nigerian Society of Experimental Biology (NISEB), Nigerian Society for Parasitology (NSP), Science Association of Nigeria (SAN, Zoological Society of Nigeria (ZSN) and the Vice- Chairperson, Organization of Women in Science, (OWSG), Lagos State University (LASU) chapter. She is presently a Professor of Zoology at the Faculty of Science, Lagos State University, Nigeria. She teaches and supervises research at the undergraduate and graduate levels. She headed the Department of Zoology and Environmental Biology, 2003-2004, 2007-2010 and 2014-2016 at LASU. She has 51 publications consisting of 42 scientific research publications in local and international journals, 5 scientific reviews and 4 books. She loves singing, biodiversity, and ecotourism and is happily married with children.

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