H1N1 Flu in Review: The HHS Response (archived)


In the Spring of 2009, a new flu virus spread quickly across the United States and the world. The US government coordinated a public health emergency response within the states that saved lives and helped limit the impact of the outbreak.
Go to our interactive timeline of this response
Read CDC's 2009 H1N1 Pandemic: Summary Highlights, April 2009-April 2010


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