Health and Human Services Secretary Kathleen Sebelius, center, gestures during a briefing about the upcoming seasonal flu season, Thursday, Sept. 10, 2009, at the National Press Club in Washington. From left are, Mayo Clinic Vaccine Research Group Director Dr. Gregory A. Poland; American Academy of Pediatrics Director Dr. David T. Tayloe; Sebelius;  National Foundation for Infectious Diseases President-Elect, Dr. William Schaffner and Center for Disease Control Director Dr. Thomas R. Frieden. (AP Photo/Luis M. Alvarez)   http://www.nypost.com/t/Thomas_R._Frieden!3#topic_photo_div