Medical experts acknowledge that symptoms with recent Omicron subvariants tend to focus more on the upper respiratory tract, ...

That's because the variant — NB.1.8.1. or “Nimbus” — may cause painful sore throats. The symptom has been identified by doctors in the United Kingdom, India and elsewhere, according to media outlets ...

According to data from the Centers for Disease Control and Prevention (CDC), Nimbus accounted for approximately 37% of US ...