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

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

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

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.