NEW YORK -- This holiday season held promise for Americans, many of whom spent Christmas 2020 in quarantine or away from loved ones due to a nasty winter COVID-19 surge. Yet in the last week or so, ...

Moderna said on Monday its updated Covid-19 booster generated "significantly higher" neutralizing antibodies against the Omicron BA.4/BA.5 subvariants than its earlier shot. The bivalent booster used ...

The US Centers for Disease Control and Prevention strengthened recommendations for booster doses of coronavirus vaccine Monday, saying all adults should get boosted six months after the second dose of ...

Stream Connecticut News for free, 24/7, wherever you are. South African scientists say the Covid omicron variant significantly reduces antibody protection generated by Pfizer and BioNTech's vaccine, ...

On Thursday, Johnson & Johnson released new data showing that its COVID-19 vaccine and booster shot offers significant protection against hospitalization caused by the omicron variant. The company ...

While the omicron variant appears to be more resistant to COVID-19 vaccines, Dr. Anthony Fauci stressed Wednesday that the vaccines still offer substantial protection against the newly-discovered ...

In "sobering news," omicron can evade the protection initial vaccines give, but boosters increase efficacy and better protect against the newest variant of concern, Dr. Anthony Fauci said Sunday. The ...

Pfizer and BioNTech said Wednesday that initial lab tests show that the omicron variant partly escapes protection offered by the companies' two-dose regimen of their COVID-19 vaccine. However, those ...