We have this strange idea that global Covid is an aggregate sum of national Covids. But as all the failed…

We have this strange idea that global Covid is an aggregate sum of national Covids. But as all the failed attempts at 'ring-fencing' Covid showed, it's the other way around. National Covid derives from international Covid. Countries are interconnected to the deepest levels. https://t.co/xC0RuRf48L