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

U.S. health officials have expanded warnings about a rare heart side effect associated with the two leading COVID-19 vaccines ...

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 ...

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

Cases of the recently identified Covid-19 variant NB 1.8.1. are rising. Some have dubbed the variant "razor blade throat" for ...

Airport screening has detected the variant in travelers arriving in California, Washington, Virginia, and New York.

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 ...

Dr. Brian Kaminski of ProMedica explains what the new "Nimbus" variant of COVID is, how it affects you and what health ...

A new COVID variant called NB.1.8.1, aka Nimbus, is spreading in the U.S. and causing an incredibly painful sore throat, ...