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

Painful sore throats have been a common symptom of previous COVID strains, but Nimbus is gaining attention for what some ...

A new COVID variant called Nimbus or NB.1.8.1 is causing "razor blade throat," experts say. Here's what to know about the new ...