WASHINGTON - OCTOBER 28:  Homeland Security Secretary Janet Napolitano (L) and Health and Human Services Secretary Kathleen Sebelius hold a news conference to discuss the government's response to the H1N1 virus at the Department of Health and Human Services October 28, 2009 in Washington, DC. Napolitano and Sebelius talked about the slower-than-expected production of a vaccine. Getty Images logo Getty Images 4 weeks ago

WASHINGTON - OCTOBER 28: Homeland Security Secretary Janet Napolitano (L) and Health and Human Services Secretary Kathleen Sebelius hold a news conference to discuss the government's response to the H1N1 virus at the Department of Health and Human Services October 28, 2009 in Washington, DC. Napolitano and Sebelius talked about the slower-than-expected production of a vaccine.