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Parasites, Viruses, and Prions

Information about foodborne and waterborne pathogens such as Trichinella and Cyclospora, as well as virus and prion diseases including Avian Influenza (bird flu), Bovine spongiform encephalopathy (mad cow disease) and emerging viruses such as Norwalk and Hepatitis A. Additional information about disease transmission, prevalence, control methods, guidelines, and current research areas are included.