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 ...

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.

The latest COVID variant is causing a distinctive symptom: a sore throat so severe it's nicknamed "razor blade throat." Some patients report a sharp, stabbing pain when they swallow, often at the back ...