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

The COVID-19 variant that may be driving a recent rise in cases in some parts of the world has earned a new nickname: “razor ...

Covid-19 has many variants, each presenting with different symptoms. Variant NB. 1.8.1 is being called razor blade throat due ...