The Nimbus variant is now the most common strain of COVID currently spreading across the nation, according to the CDC.

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to ...

Scientists are currently studying how well people are protected against severe disease from XFG. Researchers conducted lab ...

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.

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 common questions about the new variant.

In early April, NB.1.8.1 accounted for 0% of COVID cases in the U.S. In the two weeks ending June 21, it accounted for the majority of cases at 43%, according to the CDC. The variant has similar ...