title: [Epidemics of infectious hepatitis in a school due to water-born agent of the infection].
mesh_terms: D000293:Adolescent; D002648:Child; D003604:Czechoslovakia; D004196:Disease Outbreaks; D004812:Epidemiologic Methods; D006506:Hepatitis A / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D012572:School Health Services; D014876:Water Pollution; D014881:Water Supply
vernacular_title: Epidemie infekcní hepatitidy ve skole--prenos původce nákazy vodni cestou.