From the Centers for Disease Control and Prevention. Update: Influenza activity--United States, 1997-98 season.
D003237:Connecticut / Q000453:epidemiology; D004196:Disease Outbreaks; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology*; D008889:Military Personnel; D009518:New York / Q000453:epidemiology; D012621:Seasons; D014481:United States / Q000453:epidemiology; D014768:Virginia / Q000453:epidemiology