WASHINGTON - DECEMBER 17: Centers for Disease Control and Prevention Dicretor Thomas Frieden speaks during a news conference to give updates on the H1N1 outbreak and the government's response to the pandemic with National Institute of Allergy and Infectious Diseases Director Anthony Fauci (R) at the National Press Club December 17, 2009 in Washington, DC. At the news conference, HHS Secretary Kathleen Sebelius announced that 100 million more doses of the H1N1 vaccine will be available by the end of the week. (Photo by Chip Somodevilla/Getty Images)
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Getty Images News Chip Somodevilla