That's because the variant — NB.1.8.1. or “Nimbus” — may cause painful sore throats. The symptom has been identified by ...

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

A new COVID-19 variant called NB.1.8.1 is seeing a surge in US and has become a cause of concern for health officials.