If the omicron variant of the coronavirus is different enough from the original variant, it’s possible that existing vaccines won’t be as effective as they have been. If so, it’s likely that companies ...

NEW YORK (WABC) -- As the highly transmissible omicron and delta coronavirus variants continue to sweep across the United States, health officials warn that more people are expected to get infected -- ...

NEW YORK (WABC) -- Encouraging new data suggests the omicron variant, while highly contagious, is less severe than the delta variant. The variant has now been found in 21 states, as the U.S. continues ...

New York's seven-day average case rate has jumped by 43% since Thanksgiving. COVID-19 omicron variant now in at least 25 states As the COVID-19 pandemic has swept the globe, more than 5.3 million ...

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 ...

BRYN MAWR, Pennsylvania (WPVI) -- The ever-evolving COVID-19 virus is causing another slight spike in hospitalizations in our area and beyond. We caught up with the chief medical officer for Main Line ...

CHICAGO (WLS) -- Chicago has officially passed the peak of COVID-19 infections driven by the highly transmissible omicron variant, the city's top doctor announced Wednesday. Chicago Dept. of Public ...

SAN FRANCISCO (KGO) -- A surge in coronavirus cases has been reported in the Bay Area and across California as well as the country due in part to the emergence of the highly-contagious delta variant.

We’re tracking information about the coronavirus and vaccines in North Carolina. Check back every Thursday for updates. At least 2,703 new coronavirus cases were reported in North Carolina last week, ...

We’re tracking information about the coronavirus and vaccines in North Carolina. Check back every Thursday for updates. At least 2,408 new coronavirus cases were reported in North Carolina last week, ...