RALEIGH, N.C. (WTVD) -- For the second time this week, North Carolina reported a record-high positivity rate, hitting 22% on Thursday. It comes as NCDHHS also reports a record-high number of new cases ...

But Dr. Rochelle Walensky said the delta variant remains the chief concern. With the omicron variant now detected in at least 16 states in the U.S., Centers for Disease Control Director Dr. Rochelle ...

Omicron is behind rapid virus spikes in several countries, including those where it has already overtaken the previously-dominant Delta variant, the WHO said in its Covid-19 weekly epidemiological ...

NEW YORK (WABC) -- Federal regulators are considering limiting the authorization of certain monoclonal antibody treatments that have not proved effective against the omicron variant of the coronavirus ...

The US Centers for Disease Control and Prevention warns that the Omicron coronavirus variant could drive Covid-19 cases higher than ever before, according to modeling posted on the agency's website ...

Colorado is still steadily extricating itself from the omicron wave, state health officials said Thursday, with counties across the metro unwinding mask orders and a new subvariant yet to make serious ...