The latest COVID variant is causing a distinctive symptom: a sore throat so severe it's nicknamed "razor blade throat." Some ...

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

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

NB.1.8.1 is one of the latest variants of COVID-19, a "slightly upgraded version" of the LP.8.1 variant that is prominent ...

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.