India, June 18 -- A new COVID-19 variant, called NB.1.8.1, might be behind nearly a third of new cases, according to health officials. This variant, which some people are calling "Nimbus," is getting attention because of one painful symptom-something people are now describing as "razor blade throat."

The Centers for Disease Control and Prevention (CDC) says Nimbus made up about 37% of COVID-19 cases in the US in the two weeks ending June 7.

Experts believe Nimbus spreads more easily, but doesn't seem to cause more severe illness, as cited by Fox news report.

People who have caught the Nimbus variant have described having a really bad sore throat - some say it feels like swallowing broken glass. Doctors say the pain can get so bad that ...