A new COVID-19 variant is spreading rapidly through the U.S. What to know about NB.1.8.1 and its symptoms in Tennessee.

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 ...

The new variant, NB.1.8.1, is also a subvariant of the Omicron variant. It has spread rapidly, and the earliest sample of ...

The new Nimbus COVID‑19 variant is on the rise and is known for its startling sore‑throat symptom dubbed “razor blade throat.

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

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

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 ...

A new COVID-19 variant is spreading across the United States, but experts warn that this variant has a new painful symptom.

A newer COVID-19 variant may be causing a severe sore throat in those who contract the infections. Here's what to know about ...

A new COVID variant called "Nimbus" is spreading. Here's what you need to know about the incubation period, symptoms ...

Reports say the new COVID variant, NB.1.8.1, can cause an intense, scratchy sore throat. But is 'razor blade throat' really a ...

A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about symptoms and vaccines.