The tests keep getting faster. Soon the results will be immediate.
And that sounds great...but it does give the government the ability to start splitting us up into the haves and have nots. Before that, I would guess there might be towns or countries doing that voluntarily, then sealing off borders and disinfecting all goods passing through. It reminds me off the movie Elysium, where the super rich get tired of fending off the hordes of poor people and build an artificial moon that is their own private paradise.