While I agree with the premise on Klippity Klopp - a serial whinger.I've got covid ATM and still doing 15km a day on my treadmill in the home gym.
Klopp is just looking for excuses for a poor performance against 10 men.
There is no way i would have been able to run but i was symptomatic. Klopp is complaining about the asymptomatic players which is interesting.While I agree with the premise on Klippity Klopp - a serial whinger.
Think it is a very individual thing. You can run on the treadmill but someone else with covid may not be able to