Posts Tagged ‘virus’

Hepatitis A Virus

Thursday, January 13th, 2011

Epidemics of jaundice have been reported since antiquity. During World War II it was clearly established, based on incubation periods and risk factors, that infectious hepatitis and serum hepatitis were distinct entities. The agents presumed to be responsible for these infections were named hepatitis A virus and hepatitis B virus. Hepatitis A virus (HAV) was first identified at the National Institutes of Health in 1971, using electron microscopy performed on the feces of volunteers experimentally infected with infectious hepatitis.


Kinds of Hepatitis

Tuesday, December 21st, 2010

There are many kinds of hepatitis, including hepatitis A, B, C, D, E, and G. Each kind of hepatitis is caused by a different virus. Some of these do not cause serious infections, and may not even cause symptoms.