A new Omicron subvariant has caused infections and deaths in South and Southeast Asia. Europe may see a spike after ...

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.

The initial spread of the virus that causes COVID-19 might have been accelerated by the wildlife ... But when it came to the most recent sarbecovirus ancestors of both SARS-CoV-1 and SARS-CoV-2, ...

The new variant Nimbus is a subvariant of the Omicron variant of SARS-CoV-2. The variant has garnered global attention due to its ‘razor blade throat’ symptom.