2009 H1N1 Flu U.S. Situation Update
October 2, 2009, 3:30 PM ETMap: Weekly Influenza Activity Estimates Reported by State and Territorial Epidemiologists
(Activity levels indicate geographic spread of both seasonal and 2009 influenza A [H1N1] viruses)
(Posted October 2, 2009, 3:30 PM ET, for Week Ending September 26, 2009)
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