The dominant variant of the coronavirus has proved to be not only staggeringly infectious, but an evolutionary marvel. By Carl Zimmer By November 2021, nearly two years after the coronavirus emerged ...

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 ...

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 ...

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 ...

Pfizer and BioNTech have asked the Food and Drug Administration for emergency use authorization of their COVID-19 booster targeting omicron subvariants BA.4 and BA.5 and the original strain of the ...

Omicron protein spike Genetic sequencing of the Omicron specimen revealed this variant carries a multitude of mutations on spike protein. Spike protein is located on the outside of the coronavirus.

A new set of COVID-19 subvariants has been significantly increasing in prevalence but the strains, known as FLiRT, are not expected to cause more serious illness than prior versions of the virus.

The CDC is keeping track of a new variant called BA.2.86, aka Pirola. (Photo illustration: Victoria Ellis for Yahoo; photo: Getty Images) Public health officials around the world say they're keeping ...

SAN FRANCISCO -- It is "reasonably likely" to expect the pandemic to draw to a close as soon as a month from today, though COVID-19 is likely to stay, according to UCSF's Chair of the Department of ...