KEY POINTS
  • Fauci said the United States has enough contracts with other vaccine makers to vaccinate its entire population, and possibly enough for booster shots in the fall.
  • The AstraZeneca vaccine, once hailed as another milestone in the fight against the COVID-19 pandemic, has been dogged by questions since late last year.
Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, testifies during a Senate Health, Education, Labor and Pensions Committee hearing on the federal coronavirus response on Capitol Hill on March 18, 2021 in Washington, DC.

The United States may not need AstraZeneca's COVID-19 vaccine, even if it wins U.S. regulatory approval, Anthony Fauci, the nation's top infectious disease doctor told Reuters on Thursday.

The vaccine, once hailed as another milestone in the fight against the COVID-19 pandemic, has been dogged by questions since late last year, even as it has been authorized for use by dozens of countries, not including United States.