Some experts are urging people to mask up amid rising alarm over a new Covid variant — and fears of a summer wave of infections. The NB.1.8.1 strain is already thought to be driving a wave of ...

Face mask mandates appear to be making a quiet comeback in hospitals across the US amid growing concerns over what experts are calling a 'quad-emic.' Four viral infections — flu, Covid, the cold-like ...

Mr. Lyons said in an interview Sunday on CBS that he did not encourage agents to use masks but would continue to let them wear them in the field “if that’s a tool they need to keep them and their ...