FILE - Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, prepares to receive his first dose of the COVID-19 vaccine at the National Institutes of Health, Dec. 22, 2020, in Bethesda, Md. Fauci, the nation's top infectious disease expert who became a household name, and the subject of partisan attacks, during the COVID-19 pandemic, announced Monday he will depart the federal government in December after more than 5 decades of service. (AP Photo/Patrick Semansky, Pool, File)