Describe how food can act as an agent of transmitting infection. Enumerate the steps you will take to prevent the spread of contagion through food?

Viruses are transmitted to humans via foods as a result of direct or indirect contamination of the foods with human faeces. Viruses transmitted by a faecal-oral route are not strongly dependent on foods as vehicles of transmission, but viruses are important among agents of foodborne disease. Vehicles are most often molluscs from contaminated waters, but many other foods are contaminated directly by infected persons. The viruses most often foodborne are the hepatitis A virus and the Norwalk-like gastroenteritis viruses. Detection methods for these viruses in foods are very difficult and costly; the ____ ______ __________ _________ _____ __________ _____ ________ ___ ___ ________ __________.
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