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) -- 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 -- What are the symptoms of omicron? Health experts still don't know if the new variant is causing milder COVID-19, but more indicators are emerging. The World Health Organization's top ...

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 ...

As the omicron variant spreads like wildfire across the United States, it's likely just about everybody will be exposed to the strain, but vaccinated people will still fare better, the nation's ...

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 ...

Picture a not-too-distant future when you can book that summer trip to Italy or you don't have to remember to take off your mask for graduation photos. After the past 25 months, forgetting the ...

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images An alleged warning has spread online for years about a supposed "new COVID-Omicron XBB variant" — a new strain of the ...