A new Covid-19 variant called NB.1.8.1, or Nimbus, represents about a third of new US Covid-19 cases. Dr. Leana Wen answers ...

The leader of the U.S. FDA's division that oversees vaccines, Vinay Prasad, overruled the recommendations of his agency's ...

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

A new subvariant of the Omicron SARS-CoV-2 virus, identified as NB.1.8.1 (unofficially nicknamed Nimbus), is rapidly gaining ...

Covid has largely dropped out of the headlines, but the virus that causes it is still circulating. We ask what we should know about a new variant of SARS-CoV-2, the state of the Covid pandemic in 2025 ...

The new COVID-19 variant, called Nimbus, has similar symptoms and recovery to the Omicron strain. It hasn't been detected in ...

Cases of the recently identified Covid-19 variant NB 1.8.1. are rising. Some have dubbed the variant "razor blade throat" for ...

Virus isolation of the newer variants was in process at the institute, which would help assess vaccine effectiveness and support India’s indigenous efforts for vaccine development.

The COVID-19 Nimbus variant is on the rise in the U.S. as many report a painful symptom known as "razor blade throat." If you ...

The Covid-19 variant ‘Nimbus’, which causes a ‘razor blade’ throat symptom, is under monitoring and currently poses a low ...

A new Covid variant has spread to the U.S., including in New York state.