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

The NB.1.8.1 subvariant of Omicron is spreading rapidly in India and other countries. The variant has shown to evade immunity ...

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 new Covid-19 strain is fast spreading throughout Australia. Here's what you need to know about the NB.1.8.1 strain.

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