The Nimbus variant is now the most common strain of COVID currently spreading across the nation, according to the CDC.

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to ...

Scientists are currently studying how well people are protected against severe disease from XFG. Researchers conducted lab ...

Connecticut’s first confirmed case of a more contagious variant of COVID-19 originally detected in South Africa involves a Fairfield County resident with no recent history of travel, state ...

South African scientists identified a new version of the coronavirus that they say is behind a recent spike in COVID-19 infections in Gauteng, the country’s most populous province.

Connecticut on Saturday night reported its first case of the omicron variant of COVID-19, which is believed to be more contagious than previous strains. The person who tested positive was a man in ...

A leading virus researcher says the current crop of vaccines should stop you from getting hospitalized, or seriously ill from new strains of COVID-19 that are emerging.

State officials said late Saturday they have identified the first case of the COVID-19 omicron variant in Connecticut, in a man who lives in Hartford County. The man, who is in his 60s, developed ...