The subject of “vaccine passports” has been a source of furious debate in recent weeks. In addition to the likelihood that international travelers will be required to show documented evidence that they have been immunized against COVID-19 before being permitted to cross any borders, the use of such “passports” is even being considered as part of our day-to-day lives.
In the United Kingdom, Prime Minister Boris Johnson has “given firm backing to the use of COVID passports,” according to the Guardian.