A new COVID-19 variant, NB.1.8.1 - nicknamed "Nimbus" - is rapidly emerging as one of the most common strains in the U.S.

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.

"Hospitals refuse to make real efforts to recruit and retain nurses," New York's largest registered nurse union's president ...