New COVID variant, NB.1.8.1 is causing painful ‘razor blade throat’ symptom; Know what it is and how to remedy it
- June 12, 2025
A new COVID-19 variant, NB.1.8.1 or ‘Nimbus’, is spreading across Asia, causing concern. Its signature symptom is a severe sore throat, described as feeling like razor blades, alongside typical flu-like symptoms. While