This came up on my Facebook feed. I have only glanced at a briefly, but is probably of interest here:Belgian-Dutch Study: Why in times of COVID-19 you should not walk/run/bike close to each other.
This came up on my Facebook feed. I have only glanced at a briefly, but is probably of interest here:
Belgian-Dutch Study: Why in times of COVID-19 you should not walk/run/bike close to each other.