Influenza in a school, 1969.
D000293:Adolescent; D002648:Child; D004196:Disease Outbreaks; D004739:England; D005260:Female; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000453:epidemiology*; D008297:Male; D012574:Schools
D007252:Influenza Vaccines