A painful new symptom is drawing attention from doctors as another COVID-19 variant begins to spread across the US. The sore throat has been described as “razor-blade throat” — an intensely sharp, uncomfortable sensation that can be an early warning sign of infection.

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.