While Stratus is the dominant COVID variant right now, it’s not causing any wildly different symptoms from previous variants, ...

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, ...

The new omicron variant took only a few weeks to live up to dire predictions about how hugely contagious it is. But scientists don't yet know if it causes more severe disease even as the world faces ...

A new and potentially more transmissible coronavirus variant first identified by South African scientists has prompted a fresh round of travel restrictions across the world and raised concern about ...

After two years of the COVID pandemic, the U.S. is in the midst of what could be the worst surge yet in terms of cases. But there is still hope deaths will be lower with this surge than previous ones.

WASHINGTON -- While the new omicron variant of the COVID-19 virus has not yet been detected in the United States, it will "inevitably" arrive, Dr. Anthony Fauci said Sunday. "We all know when you have ...

The dizzying speed of omicron’s spread has left Americans questioning much of what they know about COVID-19, especially following holiday travel. “This is hitting us at a very inopportune time,” said ...

The omicron variant arrived in the United States right around Thanksgiving. Less than a month later, it’s the country’s dominant coronavirus strain, accounting for 73% of new infections last week, ...

South Africa, the United Kingdom and Denmark are three of the countries where the Omicron variant is now surging, less than a month after it was first detected. South Africa, the United Kingdom and ...

There’s a new variant of the coronavirus that infectious disease experts and public health officials are keeping a close eye on. XBB.1.16, also known as Arcturus, is an Omicron subvariant that appears ...