A painful sore throat, often referred to as "razor blade throat", is just one of the symptoms of a new COVID-19 variant. This variant is currently being monitored by the World Health Organization.

There is a new COVID-19 variant gaining attention worldwide. The latest iteration of the coronavirus, called NB.1.8.1, is driving cases in several countries. The variant has been detected in the U.S.

A new strain of COVID-19 prevalent in China has been identified in multiple areas in the United States. The new strain—known as COVID-19 NB 1.8.1—was first detected in China in January this year, and ...

Cases of the new COVID-19 variant NB.1.8.1, linked to a large surge in China, have been detected in multiple locations across the United States, according to the Centers for Disease Control and ...