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 ...

In some cases, "symptoms can escalate to more severe respiratory distress," infectious disease expert Dr. Tyler Evans told ...

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 ...