SAN FRANCISCO (KGO) -- In the last two weeks, the UK and other parts of Europe are reporting a spike in COVID-19 cases due to an omicron sub-variant called BA.2 which is believed to be 30 % more ...

SAN FRANCISCO -- There's a new "subvariant" of the omicron variant that's been spreading across Europe and the U.S. Preliminary data shows it's more contagious than omicron. Scientist have named it BA ...

Some laboratories in North Carolina have detected the presence of the latest COVID-19 variant, a subvariant of omicron called BA.2. The BA.2 subvariant is also called "stealth omicron" because ...

BALTIMORE, Md — With spring in bloom and more people heading outdoors, the past COVID-19 winter may seem like a distant memory. Yet, the omicron variant isn’t fading away. “There were three different ...

The CDC is now tracking another subvariant of omicron -- BA.2.12.1. BA.2 is still the dominant variant in the U.S., but BA.2.12.1 now accounts for nearly 20% of all new COVID-19 infections in the ...

New research shows that the recently emerged BA.2.86 omicron subvariant of the virus that causes COVID-19 can be neutralized by bivalent mRNA vaccine-induced antibodies in the blood, which explains ...