A highly transmissible new COVID-19 variant called NB.1.8.1, aka "Nimbus," is spreading in the United States, CDC data show.

The NB.1.8.1 COVID-19 variant was linked to a large surge of hospitalizations in parts of Asia earlier this year.

NB.1.8.1 — a new COVID-19 variant tied to a surge in China — now accounts for around 37% of cases in the U.S., according to variant proportion estimates from the CDC. Four notes: ...

In other developments, the ECDC today reported a slow rise in COVID activity in the Europe, which may partly reflect waning ...

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

It’s nerve-wracking to hear that a new variant is making the rounds, but infectious disease specialists say there are no ...

The World Health Organization (WHO) is keeping an eye on a new COVID-19 variant called NB.1.8.1, or “Nimbus,” that has spread ...

NB.1.8.1, a new COVID-19 variant that has caused concern among WHO officials, is now spreading in America, according to CDC ...

COVID-19 appears to be on the rise in some parts of California as a new, highly contagious subvariant — featuring "razor ...

As much of the world moves on from the early chaos of the pandemic, a new COVID-19 variant is quietly making its way through ...

Health officials are tracking a new COVID-19 variant. This comes as confusion grows over vaccine recommendations moving ...

A new Covid variant has spread to the U.S., including in New York state.