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 ...

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

Learn how long Covid-19 lasts, the impact of the Nimbus variant, its symptoms, and vaccination recommendations to stay ...

A new Covid-19 variant, officially known as NB.1.8.1 and nicknamed Nimbus, is now the most common strain in the US, according ...