Nimbus new Covid variant: Tracking symptoms like 'razor blade throat' as NB.1.8.1 spreads in U.S.
Briefly

The Nimbus variant of COVID-19, identified earlier in 2025, is rapidly spreading in the United States, accounting for 37% of all cases reported by early June. Experts report that alongside common COVID symptoms, infected individuals are notably experiencing a new symptom termed 'razor blade throat,' which feels more intense than typical sore throats. As it prevails over other variants like LP.8.1, health authorities are closely monitoring Nimbus due to its potential to dominate the global COVID-19 landscape.
Nimbus variant, recently detected in early 2025, is rapidly gaining cases in the U.S. accounting for 37% by June 7, indicating its potential dominance.
The 'razor blade throat' symptom of the Nimbus variant has been described by patients as more intense than typical sore throats, raising awareness.
Read at Fast Company
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