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.

COVID-19 cases​ are rising again as a new variant begins to circulate in some parts of the world, including in the United ...

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

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

The new variant has been designated a “variant under monitoring” by the World Health Organisation (WHO) due to its increasing ...

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 ...

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 ...

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

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