Influenza: a continuing problem.
D000328:Adult; D000368:Aged; D000547:Amantadine / Q000627:therapeutic use; D000818:Animals; D000914:Antibodies, Viral; D000956:Antigens, Viral; D001315:Australia; D004196:Disease Outbreaks / Q000453:epidemiology / Q000517:prevention & control*; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology / Q000276:immunology / Q000517:prevention & control*; D009975:Orthomyxoviridae / Q000276:immunology
D000914:Antibodies, Viral; D000956:Antigens, Viral; D000547:Amantadine