The new COVID-19 variant Nimbus, nicknamed “Razor Throat,” is now dominant in the U.S. with rising global cases.

COVID-19 rages on as a new threat to the state of California. According to recent reports, a deadly subvariant, NB1.8.1 or “Nimbus,” is on the rise and carries symptoms of razor blade throats ...

A new COVID variant is bringing a painful side effect to Americans. The variant is officially called NB.1.8.1, or Nimbus. Some patients say it's causing them such a severe sore throat that they ...