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, ...

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 ...

NEW YORK (WABC) -- With the push to get more people boosted and with COVID cases continuing to decline, there could soon be some different guidance when it comes to wearing masks across the country.

WASHINGTON -- Many of the world's richest countries have spent the past year hoarding coronavirus vaccines, buying up enough doses to vaccinate their populations several times over and consistently ...

LONDON — As more cases of the new omicron Covid variant emerge around the world, experts say it's likely that the variant, first identified in South Africa last week, had already been circulating for ...

The omicron COVID-19 variant that swept the world in late 2021 and early 2022 is not as likely to cause long COVID in those who get infected, a study released Thursday determined. The study was ...

The question hung in the air like a bad odor, silencing the small group of fully vaccinated and boosted friends and family at my dinner table. "Why not just get omicron and get it over with? It's mild ...

PHILADELPHIA (WPVI) -- When comparing omicron vs. delta variants, omicron has 53% less risk of hospitalization and 91% less risk of death, CDC Director Dr. Rochelle Walensky revealed on Wednesday.

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 ...