Not versus other places, but versus 100 years ago. A lot of the capabilities are logistics and communication. Here is an article I found earlier today talking a

Not versus other places, but versus 100 years ago. A lot of the capabilities are logistics and communication. Here is an article I found earlier today talking about some of the specifics of reopening schools in Denmark: https://www.thelocal.dk/20200413/schools-and-day-care-centres-gear-up-for-staggered-and-restricted-reopening https://www.thelocal.dk/20200413/schools-and-day-care-centre... The kind of planning and communication necessary to pull that off was not possible 100 years ago, not to mention the scientifically-informed guidelines for preventing transmission.