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 variant called Nimbus is spreading in the US. This variant, officially known as NB.1.8.1, causes severe sore ...

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 ...

It feels like you swallowed glass, and it’s now one of the most reported COVID symptoms in Louisiana. Here’s how to protect ...

Cases of myocarditis are more severe and more common after a COVID infection than after receiving the COVID vaccine, health ...

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