Study: Early introduction and rise of the Omicron SARS-CoV-2 variant in highly vaccinated university populations.Image Credit: Jon Bilous/Shutterstock. There have been a three to five times ...

The omicron variant gained an edge over delta both because it ... we're going to see similar types of wave-like behavior," meaning a surge in infection rates following a new variant's introduction.

Most of the 43 people known to have been infected with the Omicron variant of coronavirus in the US had mild symptoms, but most had been vaccinated and 14 of them had already had booster doses ...

Here, we introduce the Omicron family of variants. More detailed descriptions of each strain will follow this introduction. In this first entry, we will introduce the three, how they diverged from ...

Scientists are racing to determine the Omicron coronavirus variant’s severity, transmissibility and whether it evades current vaccines. Follow here for the latest news.

Omicron is sweeping away the delta variant, having impacts on hospitalization and population immunity. ... But this re-introduction boosts antibody levels very high, Pillai said.

Animals are still getting COVID-19, but they seem to be more protected against Omicron than humans are. Researchers have some ideas why.

Figuring out how fast Omicron, the new SARS-CoV-2 variant that was discovered in November by South African and Botswana scientists, spreads, and to what extent this form of the virus can outsmart our ...

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 ...

This week, the FDA and CDC authorized Pfizer and Moderna to start administering vaccine boosters that have been reengineered to specifically target the Omicron BA.4 and BA.5 variants that caused ...