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

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

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