Recent analyses show that Omicron variants of SARS-CoV-2 more strongly suppress major histocompatibility complex class I expression than previous versions of the virus. Throughout the pandemic, the ...

Omicron-derived virus variants are currently responsible for most SARS-CoV-2 infections worldwide. Compared to earlier virus variants, Omicron rarely causes severe disease. According to current ...

(NEXSTAR) – The omicron variant of COVID-19 has once again evolved, spawning new versions of itself with slight mutations that could make the virus more transmissible or more dangerous. With each new ...

Researchers at the Icahn School of Medicine at Mount Sinai and collaborators have created the most comprehensive map to date ...

A new version of omicron has taken hold in the U.S., according to the most recent data from the Centers for Disease Control and Prevention. The subvariant of omicron, named XBB.1.5, has raised ...

Manal Mohammed is a senior lecturer of medical microbiology at the University of Westminster. Since the COVID variant Omicron emerged in late 2021, it has rapidly evolved into multiple subvariants.

SAN FRANCISCO (KGO) -- Now that the omicron variant has reached the U.S. via the Bay Area, the question follows, what happens next for vaccines, public policy and research? UCSF has confirmed they're ...

If the omicron variant of the coronavirus is different enough from the original variant, it’s possible that existing vaccines won’t be as effective as they have been. If so, it’s likely that companies ...

A recent study published in the New England Journal of Medicine evaluated the burden and risk of post-acute sequelae of coronavirus disease 2019 (COVID-19) (PASC) during the pre-Delta, Delta, and ...

Continuing to use the Omicron name makes it sound like the virus isn't changing anymore, "but in fact, it's changing hugely." Korber said she's been in public lectures where "very good doctors" have ...