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 ...

A new COVID variant called Nimbus is spreading in the US. This variant, officially known as NB.1.8.1, causes severe sore ...

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 ...

The new COVID-19 variants NB.1.8.1 and XFG are rapidly spreading and competing for dominance across the globe.

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