title: An outbreak of Hongkong influenza in a youth camp in West Malaysia.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002165:Camping; D004196:Disease Outbreaks; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology*; D008296:Malaysia; D008297:Male