The new strain of the PJ.2.1 coronavirus can easily be confused with a cold or the flu, Mie warned. Among the possible symptoms, doctors note a severe sore throat and prolonged weakness. You can't detect coronavirus based on symptoms alone - you need a test.

The new strain of the PJ.2.1 coronavirus can easily be confused with a cold or the flu, Mie warned. Among the possible symptoms, doctors note a severe sore throat and prolonged weakness. You can't detect coronavirus based on symptoms alone - you need a test.