The N.B.1.8.1 variant was first detected in January 2025. By the end of April, it was the dominant strain in both Hong Kong ...

That’s because the variant — NB.1.8.1. or “Nimbus” — may cause painful sore throats. The symptom has been identified by ...

So far, 15 U.S. states have positive Nimbus cases, including Rhode Island, New York, Vermont, and Massachusetts.

A new COVID-19 variant nicknamed “razor blade throat” is making its way through parts of California. While case numbers remain relatively low in San Diego County, health experts are warning people not ...