Variant NB.1.8.1 accounted for 0% of U.S. cases in April. By mid-June, it was estimated to be the cause of around 37% of ...

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

A new Covid-19 variant called NB.1.8.1, or Nimbus, represents about a third of new US Covid-19 cases. Dr. Leana Wen answers ...

Nimbus (NB.1.8.1) is a descendant of the Omicron variant, and was first detected in January 2025. Since then, it has spread ...

The new COVID-19 variant NB.1.8.1, known as Nimbus, is causing concern due to its subtle symptoms and high transmission rate.

A new COVID-19 variant, nicknamed Nimbus, is rising around the world — including in California — and known for giving “razor ...

COVID-19 variant is quietly making its rounds across the United States, prompting health officials to reiterate the ...

Nicknamed “razor throat," the symptom of the Nimbus variant is an intensely painful sore throat, with some patients likening ...

The new COVID-19 variants NB.1.8.1 and XFG are rapidly spreading and competing for dominance across the globe.

As the new COVID-19 variant Nimbus takes a toll on the throats Learn the 10 most important things about the razor blade ...

A new Covid variant spreading in the UK may be causing one “very painful” symptom, a doctor has warned. The new Nimbus Covid ...

New COVID variant Nimbus causes excruciating 'razor blade throat' symptoms. Learn about this painful strain spreading across ...