WASHINGTON, D.C. — President Joe Biden laid out what his administration is doing to combat the emergence of the omicron variant and he encouraged the American people to get vaccinated against COVID-19 ...

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 race is on for new treatments that stand up to omicron's explosive spread. With omicron's explosive spread threatening to outpace current COVID-19 treatments, the race is on to find new options ...

The first known meta-analysis of how SARS-CoV-2 variant type and time since infection influence long-COVID symptoms ties Omicron to brain fog and paresthesia (numbness and tingling), while earlier ...

As evidence mounts that the omicron variant is less deadly than prior COVID-19 strains, one oft-cited explanation is that viruses always evolve to become less virulent over time. The problem, experts ...

SAN FRANCISCO (KGO) -- Preliminary data out of South Africa is giving the world insight into how strong omicron really is. The South African Medical Research Council just reported this variant may ...

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 ...

The NB.1.8.1 subvariant of COVID-19, a new strain of the Omicron variant, has been identified in the United States, primarily among international travellers. This subvariant is noted for its higher ...

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 ...

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 ...

As health officials scramble to minimize spread of the highly contagious Omicron variant, many experts have recommended that people switch from cloth or surgical masks to more-protective N95 and KN95 ...