? Hepatitis A virus TEM micrograph of hepatitis A virions. 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 in ...
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