Less than 20 cases of the new COVID-19 variant, NB.1.8.1, had been reported in the U.S., as of Tuesday, May 27.

In mainland China, the portion of patients going to the ER with COVID has more than doubled in the last month.

Symptoms appear to be similar to other variants of COVID-19 and the public health risk remains low, WHO information shows.

As the Trump administration moves to limit COVID booster vaccines for some, here's what to know about the latest variant NB.1 ...

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

Preliminary data from researchers in China suggest the NB.1.8.1 variant is not better at evading the immune system compared ...

While the WHO points out that NB.1.8.1 is “growing rapidly compared to co-circulating variants,” the agency also notes that ...

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 ...

A new Covid-19 variant, NB.1.81, initially detected in international travelers, has surfaced in the US, raising concerns ...

A new COVID-19 strain linked to a spike in cases in China has been detected in the U.S., but the CDC says it has seen so few ...