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, ...

PHILADELPHIA -- Americans face at least two weeks of uncertainty before major questions may get answered about the omicron variant of the coronavirus. Health experts urge the public to be cautious and ...

WASHINGTON (AP) - As strained U.S. hospitals brace for a new surge of COVID-19 cases caused by the fast-spreading omicron variant, doctors are warning of yet another challenge: the two standard drugs ...

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 ...

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 ...

SAN FRANCISCO (KGO) -- As you look at this week ahead and start finalizing your Christmas plans, you may also be thinking about the omicron variant and if you should adjust your festivities. ABC7 News ...

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 -- 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 ...

A new variant of the virus that causes COVID-19 is spreading in the U.S., raising concerns about a potential wave of ...