New COVID Subvariant NB.1.8.1 Causes 'Razor Blade Throat' Symptoms
TL;DR
A new COVID-19 variant, NB.1.8.1, nicknamed 'razor blade throat' due to severe sore throat symptoms, has been detected in several U.S. states. It appears more transmissible but does not currently cause more severe illness. Experts recommend vaccination, good hygiene, and preventive measures to reduce spread.
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