lunes, 14 de diciembre de 2009
CDC 2009 H1N1 Flu | 2009 H1N1 U.S. Situation Update
2009 H1N1 Flu U.S. Situation Update
December 11-14, 2009, 1:30 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 11-14, 2009, 1:30 PM ET, for Week Ending December 5, 2009)
abrir aquí para acceder al documento CDC completo (extenso y minucioso):
CDC 2009 H1N1 Flu | 2009 H1N1 U.S. Situation Update
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