Prognosis

U.S. Mask Guidance Loosened; Singapore Cases Slow: Virus Update

A pedestrian puts on a protective mask on Market Street in San Francisco earlier in February. 

Photographer: David Paul Morris/Bloomberg
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U.S. health officials dialed back their threshold for masking recommendations. The guidance signaled that the federal government is prioritizing protecting hospitals and vulnerable people over broadly preventing infections.

Students at New York City’s public schools will not have to wear masks outdoors when they return after a mid-winter break on Monday, the first step to what Mayor Eric Adams said was a plan to ease up on mandates throughout the city.