Nah..... let's just give a marking to the vaxxed and let us/them walk around with complete freedom. Just think of the efficiency in time savings by not having to QR code and show vax passport etc etc.
Just a simple marking will do.
Maybe this........... 6 month efficacy for each jab to be full vaxxed plus another 6 months for getting the booster and that makes it simple..........
666
Just tattoo it on their wrist like a wrist band............ simples........... flash your wrist like a pass out and voila!!!
It reminds me about a story I heard but can't quite remember where