title: [Epidemiological patterns in the spread of hepatitis A and the means for improving the measures for controlling this infection].
mesh_terms: D000328:Adult; D000914:Antibodies, Viral / Q000032:analysis; D000956:Antigens, Viral / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000453:epidemiology / Q000517:prevention & control; D006506:Hepatitis A / Q000453:epidemiology / Q000517:prevention & control / Q000635:transmission*; D006507:Hepatovirus / Q000276:immunology; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis; D011379:Prognosis; D012424:Rural Population; D012621:Seasons; D014586:USSR; D014505:Urban Population
chemical_list: D000914:Antibodies, Viral; D000956:Antigens, Viral; D007075:Immunoglobulin M
vernacular_title: Epidemiologicheskie zakonomernosti rasprostraneniia gepatita A i puti sovershenstvovaniia mer bor'by s étoĭ infektsieĭ.