COVID-19 Variant NB.1.8.1 2025: About ‘Razor Blade Throat’
https://www.bollywood-xpress.com/2025/06/covid-19-variant-nb181-2025-about-razor.html
A new variant of COVID-19 is being called 'razor blade throat,' and it's spreading around the United States. Learn about NB.1.8.1.
