Pirola appears to have descended from the Omicron BA.2 sub-lineage, which generated surges of the virus globally in 2022. There is more population immunity now than there was in 2020 at the outset ...

COVID levels in the U.S. remain high, according to wastewater detections, which is a retreat from the CDC’s label of “very ...

An easily spread sub-variant of Omicron, called BA.2, is now causing most cases. Recent easing of restrictions and waning immunity from the vaccines could be factors behind the rise too.

2, and compared with the recently circulating XBB.1.5 lineage. It was an evolutionary leap on par with the one the original Omicron variant, BA.1, made when it first appeared almost two years ago ...

There was a slightly higher risk for inflammatory bowel disease and blistering skin disorders only in hospitalized COVID-19 ...

JN.1 descended from BA.2.86, which is a sublineage of the omicron BA.2 variant, TODAY.com previously reported — that's what sets JN.1 and BA.2.86 apart from the other prevailing variants like HV.

The complex and ever-evolving immunity landscape associated with SARS-CoV-2, combined with immune evasion by omicron ...

During the meeting, Hiroshi Nishiura, a professor of environmental hygienics at Kyoto University, presented an estimate on the spread of the BA.2 Omicron subvariant, which is believed to be even ...

The XBB.1.5 subvariant — nicknamed ‘Kraken’ — is arguably the most genetically rich and most transmissible SARS-CoV-2 omicron subvariant yet. News Wrap: Russia shells Bakhmut in eastern ...

4-5? COMIRNATY Original/Omicron BA.4-5 is a vaccine given to prevent coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in individuals 6 ...

KP.3 was the 'predominant' SARS-CoV-2 variant in the US. It was also spreading in Europe. It's now joined with another ...

The XEC variant is a hybrid of the BA.1 and BA.2 strains of the Omicron variant and it is feared it could soon become the ...