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 know about symptoms and vaccines.

The CDC confirms a new COVID-19 variant NB.1.8.1, which has been linked to a spike in cases in China, was detected in the U.S. in low numbers.

Once again, a new strain of COVID has hit the country, and that includes Rhode Island. According to the Centers for Disease ...

The new variant was first detected in January in China. As of mid-May, the variant had reached ... For two weeks starting on May 25 and ending on June 7, the CDC’s Nowcast estimates tracker shows ...