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

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

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

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

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

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, dubbed NB.1.8.1, or Nimbus, is becoming increasingly prevalent in the United States. Have any cases ...