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- “Razor Blade Throat” And A Traveling “Nimbus”: What’s Up With The NB.1.8.1 COVID-19 Variant? IFLScience
- What to know about the new ‘Nimbus’ COVID variant The Hill
- New Covid Variant Causes Sore Throat That Feels Like ‘Razor Blades’ People.com
- CDC estimates show jump in NB.1.8.1 COVID variant proportions CIDRAP
- Nimbus new Covid variant: Tracking symptoms like ‘razor blade throat’ as NB.1.8.1 spreads in U.S. Fast Company
