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Novel H1N1 flu : international situation update ; July 26, 2010
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July 26, 2010
[PDF-234.27 KB]
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Journal Article:Human Influenza A (H1N1), 2009
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Description:July 26, 2010, 1:00 PM ET
This report provides an update to the international flu situation using data collected through July 18, 2010, and reported by the World Health Organization (WHO) on July 23.
WHO continues to report laboratory-confirmed 2009 H1N1 flu deathsExternal Web Site IconExternal Web Site Icon on its Web page. These fatal cases are an under-representation of the actual numbers, as many deaths are never tested or recognized as flu related.
In the Southern Hemisphere, respiratory disease activity has increased recently in some countries, including South Africa, New Zealand, and Australia. In the Northern Hemisphere, influenza detections have been limited.
Reports of respiratory disease have increased in South Africa in the last month, and most influenza-positive samples have been either seasonal B or A (H3N2) viruses. Similar increases have occurred in Australia, where 2009 H1N1 is the predominant virus strain. Chile has seen increases in respiratory activity in recent weeks, predominantly the result of respiratory syncytial virus. Influenza like illness (ILI) activity has increased in New Zealand in recent weeks, though activity is below the levels seen in 2008 and 2009.
Influenza-like illness has increased in recent weeks in Singapore with co-circulating 2009 H1N1 and seasonal A (H3N2) and B viruses detected. ILI activity has also increased in Cambodia. Influenza detections continue to occur in Africa, with 2009 H1N1 predominant in Ghana and seasonal B predominant in Cameroon.
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