Under the new metrics, more than half of U.S. counties, which make up about three-fourths of where Americans live, are now considered to be at "low" or "medium" risk because of a reduced number of new ...

WASHINGTON -- The CDC says it plans to update its mask "information" to "best reflect the multiple options available to people and the different levels of protection they provide." At Wednesday's ...

SAN FRANCISCO (KGO) -- As coronavirus cases improve across the Bay Area and United States, local health officials are loosening safety guidelines. The latest number of confirmed cases in the U.S. can ...

President Joe Biden is expected to announce Tuesday that the US Centers for Disease Control and Prevention has updated its guidance for wearing masks outdoors, three people familiar with the expected ...

The National Nurses Union asked the U.S. Centers for Disease Control and Prevention to reinstate universal mask-wearing guidelines and implement more robust data tracking citing an increase in cases ...

As vaccinations continue to roll out, the Centers for Disease Control released guidelines on what people can do after they are fully vaccinated against COVID-19. Fully vaccinated means it's been two ...

NEW YORK -- You better start stocking up on your surgical or N95 or KN95 masks. Studies are emerging that cloth masks are not as effective in preventing the spread of COVID. A study released in ...

On Friday, the Centers for Disease Control and Prevention released three studies that show that COVID-19 infections were more pervasive in areas that did not require masks in schools. The studies ...

NEW YORK (WABC) -- The CDC has new guidance on COVID-19 vaccines, advising Americans who have only received one dose so far to space out their shots. The CDC now recommends that most people over the ...