A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.

That's because the variant — NB.1.8.1. or "Nimbus" — may cause painful sore throats. The symptom has been identified by doctors in the United Kingdom, India and elsewhere, according to media ...

A new COVID-19 variant nicknamed “razor blade throat” is making its way through parts of California. While case numbers remain relatively low in San Diego County, health experts are warning ...

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

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 feel like they're swallowing razor blades.

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 ...