title: Hepatitis A virus: identification, characterization, and epidemiologic investigations.
mesh_terms: D000293:Adolescent; D000328:Adult; D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D002143:Callitrichinae; D002648:Child; D002675:Child, Preschool; D004195:Disease Models, Animal; D004812:Epidemiologic Methods; D000882:Haplorhini; D006506:Hepatitis A / Q000453:epidemiology / Q000276:immunology / Q000635:transmission*; D006507:Hepatovirus / Q000032:analysis / Q000276:immunology / Q000302:isolation & purification*; D006801:Humans; D008875:Middle Aged
chemical_list: D000914:Antibodies, Viral