National Institute of Allergy and Infectious Diseases director Dr. Anthony Fauci said Sunday on ABC's "This Week" that it was "entirely conceivable" people may need boosters again to fight COVID-19.
National Institute of Allergy and Infectious Diseases director Dr. Anthony Fauci said Sunday on ABC's "This Week" that it was "entirely conceivable" people may need boosters again to fight COVID-19.