The WHO has designated Nimbus as a ‘variant under monitoring’ and considers the public health risk low at the global level. Current vaccines are expected to remain effective. The variant has earned a new nickname – ‘razor blade throat’ Covid.

A newer COVID-19 variant may be causing a severe sore throat in those who contract the infections. Here's what to know about "razor blade throat."

The COVID-19 Nimbus variant is on the rise in the U.S. as many report a painful symptom known as "razor blade throat." If you have a severe sore throat, it's important to rule out strep throat to avoid severe complications.