Omicron sends COVID cases soaring across U.S. 01:47 With the Omicron variant of the coronavirus now dominant across the U.S., federal health officials are pleading with adults to wear masks and ...

What's happening. The omicron variant of COVID-19 keeps changing, creating newer, more contagious variants. BA.5 seems to be the most contagious version to date and is causing most of the current ...

Omicron’s reduced severity compared to previous variants, and the perceived likelihood that individuals will eventually be infected, have contributed to that relaxation in people’s mindsets ...

Several Omicron experts said the chaos might soon end. In August, a variant called BA.2.86 emerged with a host of new mutations — likely the result, once again, of evolution taking place in an ...

Omicron is causing a tsunami, not a wave, of infections in the United States. We’ve learned a lot about this coronavirus variant since it was identified less than two months ago.

On November 9, a specimen of SARS-CoV-2 was taken from an infected patient in Botswana. Genomic analysis quickly revealed this specimen to be a novel variant, initially dubbed B.1.1.529.

As the Omicron coronavirus surge subsides, researchers are keeping an eye on a highly transmissible subvariant known as BA.2.Many epidemiologists suspect that it may reverse the decline of cases ...

Conventional wisdom says Omicron is less likely to cause serious illness, but that might be due to better immunity and treatments, not the virus itself. Omicron seen as milder coronavirus but ...

Omicron: It shares similar mutations with the earlier Beta and Gamma variants, which are more resistant to vaccination than Delta. We’ll know much more about this risk in several weeks, when lab ...

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.