martes, 29 de diciembre de 2009

CDC 2009 H1N1 Flu | 2009 H1N1 U.S. Situation Update


2009 H1N1 Flu U.S. Situation Update
December 24, 2009, 12:00 PM ET
Map: 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 December 24, 2009, 2:30 PM ET, for Week Ending December 19, 2009)


abrir aquí para acceder al documento CDC completo:
CDC 2009 H1N1 Flu | 2009 H1N1 U.S. Situation Update

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