CDC 2009 H1N1 Flu | 2009 H1N1 Flu: International Situation Update

Novel 2009 H1N1 Flu: International Situation Update
August 21, 2009, 11:00 AM ET

Map of International Activity Estimates
(Including 2009 H1N1 Flu)


This situation report provides an update to the international situation as of August 21, 2009. As of August 13, the World Health Organization (WHO) regions have reported over 182,166 laboratory-confirmed cases of 2009 H1N1 influenza virus (2009 H1N1) with 1,799 deaths. The laboratory-confirmed cases represent an underestimation of total cases in the world as many countries now focus surveillance and laboratory testing only in persons with severe illness. The 2009 H1N1 influenza virus continues to be the dominant influenza virus in circulation in the world. Decreases in disease due to 2009 H1N1 continue to be reported from South America and parts of Australia. The United Kingdom is also reporting national decreases in disease due to 2009 H1N1. In contrast, disease associated with 2009 H1N1 influenza is continuing to increase in southern Africa and more Africa countries have reported their first cases. In addition, 2009 H1N1 continues to circulate in tropical countries.

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CDC 2009 H1N1 Flu | 2009 H1N1 Flu: International Situation Update