Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, responds to questions from Senator Rand Paul (R-KY) during a Senate Health, Education, Labor, and Pensions Committee hearing to examine the federal response to the coronavirus disease (COVID-19) and new emerging variants at Capitol Hill in Washington, D.C., U.S. January 11, 2022.

Dr. Anthony Fauci will likely retire by the end of President Joe Biden's term in January 2025.

Fauci has directed the National Institute of Allergy and Infectious Diseases since 1984. He has also served as Biden's chief medical adviser since January 2021.