Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, speaks during a Senate Health, Education, Labor, and Pensions Committee hearing on Capitol Hill, Nov. 4, in Washington.
Mandatory Credit:	Alex Brandon/AP

Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, speaks during a Senate Health, Education, Labor, and Pensions Committee hearing on Capitol Hill, Nov. 4, in Washington.
Mandatory Credit: Alex Brandon/AP