Patient information. Protecting yourself against the flu. Tips for staying healthy.
D006801:Humans; D017053:Infection Control / Q000379:methods*; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D012648:Self Care / Q000379:methods*; D014481:United States / Q000453:epidemiology; D014611:Vaccination