A new COVID variant is spreading quickly in the U.S. and bringing with it a painful new symptom.

Variant NB.1.8.1 accounted for 0% of U.S. cases in April. By mid-June, it was estimated to be the cause of around 37% of ...

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 ...

Patients and doctors say the latest COVID-19 variant spreading in the U.S. in some cases causes a sore throat so painful it ...

A new COVID-19 variant may be causing “razor blade” sore throats in people who get it. The Nimbus variant is driving a rise ...

Two new Omicron subvariants are gaining ground in the U.S. as some people report experiencing respiratory symptoms like ...

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

Health experts recommend Canadians, especially seniors, get the latest COVID-19 vaccines as the new Nimbus variant surges in China, India and parts of the U.S. A new study shows updated shots cut the ...

The fast-spreading COVID variant called Nimbus is leaving many with questions. What does this mean for Georgia?

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 ...