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Thursday, October 14, 2010

WHO : Influenza update - 8 October 2010

I'm not too sure when WHO published this but here's the latest Influenza update dated 8th October 2010, excerpt :

" 8 October 2010 - Summary:

Influenza activity is decreasing in most parts of the temperate Southern Hemisphere and the season does not yet appear to have definitively started in the temperate areas of the Northern Hemisphere. Influenza A(H3N2) is now the predominant influenza virus world wide after several weeks of increasing detections in much of the world, but many areas still have active transmission of H1N1 (2009) influenza. Most of the influenza A(H3N2) viruses detected are A/Perth/16/2009-like, which is the strain included in the seasonal vaccine for the Northern and Southern Hemispheres.

Southern hemisphere temperate countries

The winter influenza transmission season of the temperate countries of the southern hemisphere is now waning in most areas. The most common virus types associated with the influenza season of 2010 in the temperate southern hemisphere have varied greatly depending on the location. In Australia, influenza-like illness (ILI) activity, hospital, and intensive care unit admissions related to influenza in Australian sentinel hospitals have all decreased in the past week. The H1N1 (2009) influenza virus is still the most frequently detected virus in Australia, with a lower number of influenza type B and A(H3N2) viruses. Rates of ILI activity in New Zealand are below the baseline level for the second week with a low rate of influenza virus detection. The most common influenza virus found this season in New Zealand is H1N1 (2009) with very few other subtypes detected."

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