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 but still is higher than expected in most areas
• In the Caribbean, unchanged 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
• In some countries, the number of specimens positive for pandemic (H1N1) 2009 has been steadily decreasing in recent weeks, however more than 90% of subtyped influenza A viruses were pandemic (H1N1) 2009
• 253 new confirmed deaths in 6 countries were reported; in total there have been 6131 cumulative confirmed deaths

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