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New COVID-19 variant 'Nimbus' causes "razor blade sore throat." Here's what to know
A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about ...
'Razor blade throat' COVID variant is spreading. What to know in Michigan
Intense throat pain is a key symptom of COVID-19 variant NB.1.8.1, referred to as "razor blade throat." Here's what to know.