Influenza.
D000547:Amantadine / Q000627:therapeutic use; D004196:Disease Outbreaks; D006801:Humans; D007251:Influenza, Human / Q000188:drug therapy / Q000453:epidemiology*; D009975:Orthomyxoviridae / Q000145:classification; D012621:Seasons; D014481:United States
D000547:Amantadine