Types have specific symptom as latest figures show infections have 'doubled' and officials say 'stay at home' if people think they've got it New Covid variants, known as Stratus and Nimbus, are now the most common strains being passed around in the UK, according to officials, and they could cause a specific symptom. If you're feeling rough with a sore throat and fever, you might have picked up one of the fresh Covid strains doing the rounds this autumn. XFG, dubbed Stratus by some, and NB. 1.8.

Tag-uri: Coronavirus