The information contained within this update is obtained from data provided by Ministries of Health of Member States and National Influenza Centers through reports sent to Pan American Health Organization (PAHO) or updates on their web pages.

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Weekly Update

• In North America, acute respiratory disease activity continued to decrease and is lower than expected in some areas
• In the Caribbean, unchanged and decreasing trends in acute respiratory disease were reported
• Central America reported decreasing or unchanged trends in acute respiratory disease
• South America reported decreasing or unchanged trends of acute respiratory disease
• A median of 99.8% of subtyped influenza A viruses in North America were pandemic (H1N1) 2009
• 196 new confirmed deaths in 10 countries were reported; in total there have been 6,335 cumulative confirmed deaths
  

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