What is Viral Hepatitis? Division of Viral Hepatitis CDC

Oct 30, 2019 · When the liver is inflamed or damaged, its function can be affected. Heavy alcohol use, toxins, some medications, and certain medical conditions can cause hepatitis. However, hepatitis is often caused by a virus. In the United States, the most common types of viral hepatitis are hepatitis A, hepatitis B, and hepatitis C.…

Basic Aspects of viral infection and disease Virus

Basic Aspects of viral infection and disease ¥Noncellular and nonliving submicroscopic entities ¥Obligate intracellular parasites ¥Viral respiratory infections ÐInfants in Þrst year >6 on average ÐAdults usually have 3 to 4 a year ÐSigns and symptoms ¥Fever ¥Increased secretion of ßuids ¥Sneezing, coughing ¥S ore th a ¥Malaise ...…