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.

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

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

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

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

New COVID variant NB.1.8.1 detected at US airports from travelers from China, Asia and Europe amid rising hospitalizations in ...