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.

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 ...

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

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

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

In January, a new COVID-19 variant known as NB.1.8.1 was first detected in China. On May 23, the World Health Organization ...

A new Covid-19 variant, NB.1.8.1, has surfaced in the US, following a surge in China, with cases detected in international ...

A strand of COVID-19 with a high infection rate and an increase in hospitalizations in China, has spread to multiple ...

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

NB.1.81. is the latest COVID-19 variant spreading in the U.S. and Europe. Infectious disease doctors explain NB1.8.1 symptoms ...