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What to know about the COVID variant that may cause 'razor blade' sore throats - KOMO

June 20, 2025, 7:56 p.m.
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The COVID-19 variant that may be driving a recent rise in cases in some parts of the world has earned a new nickname: razor blade throat COVID. That's because the variant NB.1.8.1. or Nimbus may cau… [+1655 chars]

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