There are currently two existing vaccine passports options, one being operational in the United States right now.
Common Pass: Created by Commons Project, this health pass has been in international use since October on United and Cathay Pacific flights between New York, London, Singapore, and Hong Kong. Common Pass operates via Apple’s Health app on iOS and CommonHealth for Android. It connects to 230 US health systems. It functions as a scannable QR code and can store a passenger’s test or vaccine data and travel plans. (It is not yet publicly available for download.)
IATA Travel Pass: Expected to launch in early 2021, IATA Travel Pass, is currently under development by the International Transport Association. According to the IATA website, the digital pass for travelers is: A global and standardized solution to validate and authenticate all country regulations regarding COVID-19 passenger travel requirements.
Researchers suspect these new “passports” will quickly be extended to employment, education, and even buying food.theorganicprepper Vaccine Passports: Is Showing Your “Papers” the “New Normal?”