hepatitis A

hepatitis A

noun \-ˈā\

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