Experts said that COVID-19 vaccines are expected to be effective against this variant known as "nimbus." Here's what to know ...

A painful sore throat is a signature symptom of an Omicron subvariant called NB.1.8.1, or Nimbus. It now makes up about a third of U.S. COVID-19 cases. Find out what you can do to get relief.

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.

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

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