title: [Viral hepatitis].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006506:Hepatitis A / Q000453:epidemiology* / Q000401:mortality; D006801:Humans; D008297:Male; D011044:Poland
vernacular_title: Wirusowe zapalenie watroby.