A new COVID variant called Nimbus is spreading in the US. This variant, officially known as NB.1.8.1, causes severe sore ...

The latest COVID variant is causing a distinctive symptom: a sore throat so severe it's nicknamed "razor blade throat." Some patients report a sharp, stabbing pain when they swallow, often at the back ...

New COVID variant Nimbus causes excruciating 'razor blade throat' symptoms. Learn about this painful strain spreading across ...