BA. 2, the highly contagious omicron subvariant, is now the dominant COVID-19 strain in the U.S., according to data from the CDC. Numbers show the subvariant, also known as “stealth omicron,” ...

NEW YORK (WABC) -- The CDC is weighing a significant update to its mask information as the highly transmissible omicron variant sweeps across the nation. Federal health officials are expected to ...

Three large new studies from the U.S. Centers for Disease Control and Prevention highlight the importance of getting a booster shot to provide the best protection against the omicron coronavirus ...

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 ...

The U.S. Centers for Disease Control and Prevention on Monday expanded its recommendation for COVID-19 booster shots to all adults 18 and older, according to a CDC news release. "Today, CDC is ...

CDC Director Rochelle Walensky on Tuesday said there is enough immunity in the U.S. population to provide some protection against the more contagious omicron BA.2 subvariant, which could help stave ...

Fueled by a fast-growing new variant, COVID-19 infections are regaining ground just as summer travel peaks. New CDC transmission estimates released Friday, Aug. 1 show the effective reproduction ...

A new Centers for Disease Control and Prevention study says booster shots of Pfizer's and Moderna's COVID-19 vaccines proved vital in keeping additional Americans out of the hospital as the omicron ...

The Centers for Disease Control and Prevention said Tuesday that data has shown that the spread of the omicron variant is what fuels a spike in hospitalizations in young children 4-years-old and ...

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