Influenza--a review for clinicians.
D004196:Disease Outbreaks; D006801:Humans; D009980:Influenza A virus; D007252:Influenza Vaccines / Q000008:administration & dosage; D007251:Influenza, Human / Q000191:economics / Q000276:immunology / Q000517:prevention & control; D014481:United States
D007252:Influenza Vaccines