Omicron, Now 2 Years Old, Is Not Done With Us Yet The dominant variant of the coronavirus has proved to be not only staggeringly infectious, but an evolutionary marvel.

Newest Covid variant causing ‘razor blade throat.’ What to know - The Nimbus variant is is now one of the most prevalent strains of the virus tracked by the CDC ...

A new study is one of the first to reveal that there were fewer cases of multi-system inflammatory syndrome in children (MIS-C) during the omicron wave of the pandemic than the delta ...

However, Rajnarayanan also said population-level immunity in the USA is relatively high, meaning BA.2.86 may not cause a surge like omicron BA.1 initially did.

New York City health officials are warning that the infectious omicron subvariant XBB.1.5 may be more likely to infect the vaccinated or infected with COVID-19.

The omicron variant of SARS-CoV-2 is much less likely to lead to long Covid than the variant circulating at the start of the COVID-19 pandemic, new research being presented at this year's European ...

The results indicated that while SARS-CoV-2 Omicron infections were associated with a significantly higher risk of mortality in the hospital compared to influenza infections, the rate of ICU ...

The World Health Organization is monitoring the Omicron subvariant XBB.1.16, which has been identified in about two dozen countries.

The CH.1.1 Omicron subvariant now comprises about 10% of all the Covid-19 samples around the world.

A preliminary study in Israel finds that seniors who received an Omicron-targeting booster shot were 81% less likely to be hospitalized with COVID-19 than those who skipped it.