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Novel H1N1 flu : international situation update ; September 11, 2009
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September 11, 2009
[PDF-217.62 KB]
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Journal Article:Human Influenza A (H1N1), 2009
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Description:This situation report provides an update to the international situation as of August 21, 2009.
This situation report provides an update to the international situation as of September 11th, 2009. As of September 6th, the World Health Organization (WHO) regions have reported over 277,607 laboratory-confirmed cases of 2009 H1N1 influenza virus (2009 H1N1) with at least 3,205 deaths, which is an increase of over 23,401 cases and at least 368 deaths since August 30th. The laboratory-confirmed cases represent a substantial underestimation of total cases in the world as many countries focus surveillance and laboratory testing only on persons with severe illness. The 2009 H1N1 influenza virus continues to be the dominant influenza virus in circulation in the world. Decreasing trends in disease due to 2009 H1N1 continue to be reported in most of South America and Australia. In contrast, more African countries have reported their first laboratory confirmed cases.
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