An epidemic of infectious hepatitis possibly due to airborne transmission.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004812:Epidemiologic Methods; D005260:Female; D006506:Hepatitis A / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D007484:Iowa; D008297:Male; D008875:Middle Aged