VIRUS : HEPATISIS A

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From Wikipedia, the free encyclopedia

Hepatitis A virus

Virus classification
Group:     Group IV ((+)ssRNA)
Family:     Picornaviridae
Genus:     Hepatovirus
Species:     Hepatitis A virus

Hepatitis A is an enterovirus transmitted by the orofecal route, such as contaminated food. It causes an acute form of hepatitis (inflammation of the liver) and does not have a chronic stage. The patient's immune system makes antibodies against Hepatitis A that confer immunity against future infection. A vaccine is available that will prevent infection from hepatitis A for life.
Hepatitis A is a disease affecting the liver, and caused by the Hepatitis A virus (abbreviated HAV). Only 3 out of 4 people with hepatitis A have symptoms.