- The NB.1.8.1, or "Nimbus," Covid variant is now nearly the most prevalent omicron lineage tracked by the CDC.
- A notable symptom associated with Nimbus is an incredibly painful "razor blade throat," though other symptoms are typical of Covid infection.
- Experts state that despite its rapid spread, the Nimbus variant does not appear to be more severe than previous strains.
- The variant's quick transmissibility is attributed to genetic mutations that allow it to bind easily to human cells.
- The World Health Organization has designated Nimbus as a "variant under monitoring" and considers the global public health risk to be low, with current vaccines expected to remain effective.
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