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.

The pathogen detected in the virus is closely linked to MERS, an extremely lethal virus that can kill upto a third of its ...

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 is emerging globally and infectious disease experts warn it’s not to be underestimated. On May 23, the ...

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.

NB.1.8.1 is a descendant of the Omicron family. Like other Omicron sub-variants, NB.1.8.1 appears to be highly transmissible.

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

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