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 ...

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 ...

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 ...

Scientists documented a rare case of COVID-19 persisting for over 750 days in a man with advanced HIV. The virus, confined within the patient due to h ...

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 ...

Infectious disease experts say it's too soon to precisely predict how severe this year's major respiratory infections will be ...

New antiviral drugs in development could offer the strongest line of defense yet against COVID-19 and other coronaviruses, ...

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 ...

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 sore throat that feels like swallowing glass—a.k.a. “razor-blade throat”—has become one of the most talked-about of the new ...

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 ...

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.