Update: influenza activity--United States, February 5-11, 2006.
During February 5-11, 2006, the number of states reporting widespread influenza activity increased to 13. Twenty-one states reported regional activity, 11 reported local activity, and five reported sporadic activity.
D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology*; D014481:United States / Q000453:epidemiology