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Map: International Co-circulation of 2009 H1N1 and Seasonal Influenza
(As of October 9, 2009; posted October 9, 2009, 3:00 PM ET)

This picture depicts a map of the world that shows the co-circulation of 2009 H1N1 flu and seasonal influenza viruses. The United States, Canada, Europe, Australia, Vietnam, Kenya, China and Hong Kong (China) are depicted. There is a pie chart for each that shows the percentage of laboratory confirmed influenza cases that have tested positive for either 2009 H1N1 flu or other influenza subtypes. The majority of laboratory confirmed influenza cases reported in the latest week for the United States, Canada, Europe, Australia, Vietnam, Kenya, Hong Kong (China), and China are currently due to 2009 H1N1 influenza virus.