A case of NB.1.8.1, which has been linked to a COVID surge in China, was detected at the Seattle-Tacoma International Airport ...

However, experts say the variant could take hold because it’s been a while since the U.S. saw a COVID wave, lowering ...

The CDC has confirmed the new COVID-19 strain NB.1.8.1 in the U.S., with a low case count despite its spread in China.

A sudden surge in Covid-19 detections – along with the emergence of a new, and what’s thought to be more infectious, ...