Saturday, March 27, 2010

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flu A virus Influenza A (H1N1) weakened but still active in Asia

These are 118 new deaths were reported this last week in the world, the latest WHO report of 26 March showed a virus has weakened but continues to flow in South Asia, West Africa and in tropical America. In West Africa, limited data suggest active transmission of the virus without evidence of peak activity. The influenza B virus "seasonal" is still detected in East Asia but at low levels.


As of March 26, 2010, in the world, more than 213 countries and overseas territories have been affected by the virus A (H1N1) and at least 16,931 deaths have been reported, according to WHO.


In North America, the epidemic has continued to decline since its peak in late November, the virus continues to circulate at a very low overall. In Central and South America, active transmission of the virus is reported in Guatemala, Nicaragua, El Salvador and Panama. Brazil In Brazil, over the past two weeks, there is a growing trend of respiratory diseases.


In Europe, the epidemic peak is exceeded and activity Influenza continues to weaken. Note, over 20% of samples collected in Germany, Italy and Russia have tested positive.


In Africa, influenza activity is variable. Limited data suggest that the most active areas are located in West Africa and parts of East Africa, particularly Rwanda. 27% of respiratory specimens in Ghana, and 47% of samples in Rwanda, were tested positive for influenza A (H1N1) in mid-March. In Senegal, a strong growth respiratory disease is reported in association with increased detections of the virus. A small number of H3N2 and B influenza season were also identified.


In Asia, transmission of the virus is active in Thailand since mid-February but returned to the decline since mid-March. The increased activity since early March, however, Malaysia. A small number of seasonal influenza B continues to be isolated in Thailand and other parts of South Asia.


In Central America and in tropical South America, a growing trend of activity of respiratory diseases associated with Influenza A virus (H1N1) reported since early March in a growing number of countries. Source: WHO Report of March 26, 2010

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