Novel H1N1 flu : international situation update ; July 19, 2010
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Novel H1N1 flu : international situation update ; July 19, 2010

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    • Journal Article:
      Human Influenza A (H1N1), 2009
    • Description:
      July 19, 2010, 5:00 PM ET

      This report provides an update to the international flu situation using data collected through July 12, 2010, and reported by the World Health Organization (WHO) on July 16.

      WHO continues to report laboratory-confirmed 2009 H1N1 flu deaths 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.

      2009 H1N1 viruses and seasonal influenza A (H3N2) viruses are being detected in the tropical regions, including Asia and the Americas. In the Southern Hemisphere, respiratory disease activity has been low, with the exception of South Africa. In the Northern Hemisphere, influenza detections have been limited.

      In late June and early July, South Africa reported an increase in influenza B and influenza A (H3N2) virus activity. In June, there was a resurgence of 2009 H1N1 activity in Ghana. Influenza activity has been low to sporadic in Argentina and Chile, and influenza like illness (ILI) activity has been low in Australia and New Zealand. One region in southern India has reported active transmission of 2009 H1N1 virus. Some seasonal B influenza viruses are being found in China, though ILI levels are similar to those reported in previous years. 2009 H1N1 is actively circulating in Colombia and Costa Rica, although generally at low levels.

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