US CDC: Fully vaccinated people can unmask outdoors in some cases
The updated health advice comes as more than half of all adults in the United States have now received at least one dose of COVID-19 vaccine, according to the US CDC.
A woman wears a face mask on the subway as the coronavirus outbreak continued in Manhattan, New York City, New York, U.S., March 13, 2020(photo credit: REUTERS/ANDREW KELLY)ByREUTERS
