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 ...

So far, 15 U.S. states have positive Nimbus cases, including Rhode Island, New York, Vermont, and Massachusetts.

The COVID-19 Nimbus variant is on the rise in the U.S. as many report a painful symptom known as "razor blade throat." If you ...

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

The COVID-19 variant that may be driving a recent rise in cases in some parts of the world has earned a new nickname: "razor ...

Nimbus has been detected in at least 14 states including New York, New Jersey, Massachusetts and Rhode Island.

The variant NB.1.8.1, nicknamed Nimbus, has been gaining traction in recent weeks. It comprised more than one-third of the nation’s coronavirus samples during a two-week period ending June 7, ...

A new COVID-19 variant spreading rapidly across the United States is causing excruciating throat pain that patients describe ...

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 coronavirus variant is spreading in many parts of the ... This new variant, NB.1.8.1, also called Nimbus, is a descendant of the Omicron strain. The World Health Organization has deemed ...

Covid variant NB.1.8.1, known as Nimbus, has been classified by the World Health Organization as a "variant under monitoring.

A new COVID variant is causing people to experience such severe sore throats that they say it feels like swallowing razor blades.