“When Britons receive the Pfizer-BioNTech vaccine shots, they also get a wallet-size vaccination card showing that they have received the first of two required doses. They are not ID cards; they do not contain any personal information, not even the person’s name. Even so, there are worries that they could be the beginning of a ‘passport’ system that would divide society into two tiers, granting cardholders access to some services and businesses, like boarding a plane or eating at a restaurant, while others are excluded” reports the New York Times.
So expect a lot of “None may buy or sell without the mark” from the Q crowd shortly.