There Is 'Understandable Confusion' Over Face Mask Rules: Fauci
May.20 -- Anthony Fauci, the top U.S. expert on infectious diseases, said health authorities’ move to relax a mask mandate for fully vaccinated people has spurred “understandable confusion.” Fauci, the director of National Institute of Allergy and Infectious Diseases, spoke to David Westin at “The Bloomberg Businessweek” virtual summit.