Viral Diseases of the Digestive System

Viral Diseases of the Digestive System - Viral Diseases of...

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Viral Diseases of the Digestive System Mumps.  The virus that causes  mumps  contains RNA. Transmitted in saliva and respiratory  secretions, it replicates in the host's respiratory tract and causes swelling of one or both of the  parotid glands  below the ear and near the angle of the jaw. Fever is sometimes present, and in  adult males, complications may occur if the virus infects the testis. Inflammation of the testis is called  orchitis.  Immunity to mumps is rendered by an injection of the  MMR vaccine , using attenuated  mumps virus.  Hepatitis A. Hepatitis A  is caused by an RNA virus usually placed in the Picornaviridae family. The  virus passes among individuals by the fecal-oral route, and the disease is sometimes called  infectious hepatitis.  Individuals are contagious before they display symptoms and after symptoms  have lessened. Contaminated food and water are often involved. 
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This note was uploaded on 11/14/2011 for the course BIO 1421 taught by Professor Farr during the Fall '08 term at Texas State.

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