The epidemiology of influenza in humans.
D000328:Adult; D000391:Air Microbiology; D000413:Alaska; D004196:Disease Outbreaks / Q000453:epidemiology*; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology / Q000635:transmission*; D008297:Male