A new COVID-19 variant spreading across the United States may cause an extremely painful sore throat—dubbed the "razor throat"—among its symptoms. The new "Nimbus" strain, also known as COVID-19 NB 1.

COVID appears to be on the rise as a new, highly contagious subvariant — featuring “razor blade throat” symptoms overseas — is becoming increasingly dominant.

A new COVID-19 variant that has caused concern among WHO officials is now spreading in America, according to CDC data. Here’s what to know. It’s easy to forget, but COVID-19 is still commonplace around the world,