New COVID variants on the rise: The ‘razor-blade’ throat symptom could be a key warning sign

New COVID variants on the rise: The ‘razor-blade’ throat symptom could be a key warning sign

 10:16 06/10/2025

COVID-19 cases are surging across the US, driven by new variants like the highly transmissible Nimbus (NB.1.8.1). This Omicron subvariant, first detected in 2025 in China, causes a distinct 'razor-blade throat' symptom. Here's everything you should know bout the new COVID variant, its symptoms and how to prevent. The latest data from the US Centers for Disease Control and Prevention's Wastewater surveillance suggests the viral activity levels are 'very high' in Utah, Nevada, Connecticut, and Delaware,
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