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 ...

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 ...

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 Omicron subvariant has caused infections and deaths in South and Southeast Asia. Europe may see a spike after ...

Winter can be a contagious time of year for everything from COVID-19 to the common cold, but there are ways to limit the risk ...

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