NPR's Rachel Martin talks to Anthony Fauci, the nation's top infectious disease doctor and the president's chief medical adviser, about the science and decision-making concerning booster shots.

U.S. scientists and regulators told Pfizer July 12 that they need more data and more time to determine if COVID-19 vaccine booster shots are necessary, The New York Times reported.

Dr. Fauci on data supporting COVID vaccine boosters. American History TV Saturdays on C-SPAN2 Book TV Sundays on C-SPAN2 Books That Shaped America ...

Dr. Anthony Fauci said Moderna and Pfizer vaccine boosters are likely to provide substantial protection against the Omicron variant. "Our booster vaccine regimens work against Omicron. At this ...

Fully vaccinated people may need a booster shot as soon as eight to 12 months after their initial doses. 1 weather alerts 1 closings/delays. Watch Now. 1 weather alerts 1 closings/delays.