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.

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

A new COVID-19 variant marked by a painful “razor-blade throat” symptom is spreading rapidly in the United States. The strain ...

A new COVID-19 variant, NB.1.8.1 - nicknamed "Nimbus" - is rapidly emerging as one of the most common strains in the U.S.

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

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

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

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

The new data, while limited, shows the variant has grown as a percentage of cases in the U.S. as health officials brace for a ...

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

A new COVID-19 variant, dubbed NB.1.8.1, or Nimbus, is becoming increasingly prevalent in the United States. Have any cases ...

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 ...