?:definition
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Serology reagents intended to detect and/or identify antigens or serum antibody titers to hepatitis A viruses, typically RNA viruses of the genus Picornavirus, family Picornaviridae. These viruses may cause hepatitis, a disease characterized by jaundice and the increase of some enzymes in serum (e.g., aspartate aminotransferase); hepatitis A viruses are almost exclusively transmitted by the fecal-oral route or via contaminated food or water, although parenteral transmission is possible.
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