Medical Dictionary
hepatitis A
noun \-ˈā\
Medical Definition of HEPATITIS A
: an acute usually benign hepatitis caused by a single-stranded RNA virus of the family Picornaviridae (species Hepatitis A virus of the genus Hepatovirus) that does not persist in the blood serum and is transmitted especially in food and water contaminated with infected fecal matter—called also infectious hepatitis; see havrix
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