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H1N1 flu (Swine Flu)

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2009 H1N1 flu

(also known as "swine flu") is a new influenza virus causing illness in people. This new virus was first detected in people in the United States in April 2009. This virus is spreading from person-to-person worldwide. Learn more about this new flu.

Data & Statistics

Chart: Estimated Vaccination Coverage in Children 19-35 months (Children born January 2005 through June 2007), United States, 2008. Percentage range – 80-89%: 8 states; 70-79%: 36 states; 69% and under: 7 states. 2008 National Coverage: 76%

More Data & Statistics

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A Time To Act

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