BA. 2, the highly contagious omicron subvariant, is now the dominant COVID-19 strain in the U.S., according to data from the CDC. Numbers show the subvariant, also known as “stealth omicron,” ...

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 ...

Recently there’s been reports that the more recent Covid variants, like Omicron, cause symptoms in people that are similar to cold symptoms. Here’s what you should know. Veuer’s Johana Restrepo has ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (NEXSTAR) – As hospitals nationwide continue ...

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 ...

The onset of cold and flu season includes the beginning of COVID season, and that means the introduction of new variations. According to the Centers for Disease Control, new variants of SARS-Co-2 ...