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.

COVID-19 is remains a public health concern five years after the start of the pandemic. What to know about vaccines, variants ...

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 ...

Public-health experts have warned for months that the COVID-19 virus isn’t gone—and, far from waning, SARS-CoV-2 has mutated yet again into a new variant. Called NB.1.8.1, it's causing a spike in ...

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

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

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 ...

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