Also known as "Nimbus," the new COVID variant NB.1.8.1 is characterized by its extremely painful sore throat, described as ...

The “razor blade throat” symptom has been identified by doctors in the United Kingdom, India and elsewhere, according to the ...

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 ...