Vaccine Passports?

With the news that the UK government said that businesses are free to pursue vaccination ID tech, how likely are vaccine passports? Vaccine Passports The phrase ‘vaccine passports’ refers to people (who have been vaccinated) being able to show proof of vaccination in the form of digital vaccination credentials/a digital ID, perhaps on an app, enabling them to gain access to services and venues (for cinemas, events, and concerts), for international air travel, or even to get jobs. The implication...