BETHESDA, MARYLAND – DECEMBER 22: Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, gives the thumbs up after receiving his first dose of the COVID-19 vaccine at the National Institutes of Health on December 22, 2020 in Bethesda, Maryland.

BETHESDA, MARYLAND – DECEMBER 22: Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, gives the thumbs up after receiving his first dose of the COVID-19 vaccine at the National Institutes of Health on December 22, 2020 in Bethesda, Maryland.