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 variant that may be driving a recent rise in cases in some parts of the world has earned a new nickname: “razor blade throat."