Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, receives the Moderna Inc. Covid-19 vaccine during an event at the NIH Clinical Center Masur Auditorium in Bethesda, Maryland, U.S., on Tuesday, Dec, 22, 2020. The National Institutes of Health is holding a livestreamed vaccination event to kick-off the organization’s efforts for its employees on the front line of the pandemic. Photographer: Patrick Semansky/Associated Press/Bloomberg via Getty Images