Professor Mitra Ranjbar, MD, with specialty in Infectious Diseases and Tropical Medicine as well as a course of MPH. She has worked for about 20 years as a university teacher and investigator. The majority of her work and researche is about brucellosis (clinical trials, complications of brucellosis such as neurobrucellosis, osteoarticular brucellosis, immunology of brucellosis) and endemic infectious diseases in Iran such as typhoid fever, cholera, viral hepatitis, etc. She has written more than 60 papers about infectious diseases. Dr. Ranjbar is the dean of the Department of Infectious Diseases at the University of Medical Sciences, Tehran, Iran.