An unusual and alarming symptom has emerged with the spread of a new COVID-19 variant called Nimbus (NB.1.8.1), which is rapidly spreading worldwide after being first detected in China in January. This variant is causing an increase in cases in the U.

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."

Right now, a new Covid variant is spreading throughout the country. The strain, earning the nickname "razor blade throat" Covid due to its main symptom. DR. Robert Citronberg, Executive Medical Director of Infectious Disease and Infection Prevention with Advocate Health Care joins WGN's Micah Materre to discuss.