NEW YORK (WABC) -- There are rising concerns about the new omicron variant, as cases have now been confirmed in more than half the U.S. Early anecdotal reports seem to indicate those infected are ...

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 ...

Pfizer's and Moderna's omicron boosters reduced the risk of mild illness from the XBB family of subvariants compared to people who did not receive the shot, according to a study from the Centers for ...

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 ...

The omicron variant accounted for an estimated 95.4 percent of COVID-19 cases in the U.S. for the week ending Jan. 1, according to CDC data. Just the previous week, the variant accounted for an ...

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 ...

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 ...

DURHAM, N.C. (WTVD) -- The CDC has listed the Omicron variant as a "Variant of Concern," listing it alongside Delta in its classification system. Thursday, health officials in Minnesota confirmed a ...

NEW YORK (WABC) -- The CDC has new guidance on COVID-19 vaccines, advising Americans who have only received one dose so far to space out their shots. The CDC now recommends that most people over the ...

NEW YORK (WABC) -- As COVID cases continue to drop, the CDC could update its mask guidelines as early as this week. Dr. Anthony Fauci warns it's still risky, but most of the country isn't waiting.