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 ...

The newest variant, NB.1.8.1, also known as Nimbus, is now widespread in California and across the United States. The new ...

Also known as "Nimbus," the new COVID variant NB.1.8.1 is characterized by its extremely painful sore throat, described as ...

A new strain of COVID-19 can cause what some people describe as a “razor blade throat.” The new variant called NB.1.8.1, or “Nimbus,” made up an estimated 37% of cases in the U.S. during a two-week ...

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