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,” ...

With the latest COVID-19 variant leading to record numbers of cases worldwide, a top infectious disease expert says the virus is undergoing a major shift. Dr. Robert Redfield, the former director of ...

Much of the message's information was misleading about a real variant of the virus that causes COVID-19.

The Centers for Disease Control now says all adults "should" get a COVID-19 booster shot once they become eligible. The agency changed its previous guidance, which said some adults, who are considered ...

WASHINGTON -- The CDC says it plans to update its mask "information" to "best reflect the multiple options available to people and the different levels of protection they provide." At Wednesday's ...

On Thursday, the Centers for Disease Control and Prevention recommend that travelers avoid cruise ships, regardless of vaccination status. The CDC updated cruise ships' travel health notice levels ...