From the Centers for Disease Control and Prevention. Update: influenza activity--United States and worldwide, 1993-94 season, and composition of the 1994-95 influenza vaccine.
D004196:Disease Outbreaks; D014943:Global Health; D006801:Humans; D009980:Influenza A virus / Q000276:immunology*; D009981:Influenza B virus / Q000276:immunology*; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000453:epidemiology*; D012621:Seasons; D014481:United States / Q000453:epidemiology
D007252:Influenza Vaccines