From the Centers for Disease Control. Influenza activity--United States and worldwide; composition of the 1992-1993 influenza vaccine.
D004196:Disease Outbreaks; D014943:Global Health; D006801:Humans; D009980:Influenza A virus; D009981:Influenza B virus / Q000276:immunology; D007252:Influenza Vaccines / Q000737:chemistry*; D007251:Influenza, Human / Q000453:epidemiology* / Q000276:immunology / Q000401:mortality; D009017:Morbidity; D014481:United States / Q000453:epidemiology
D007252:Influenza Vaccines