Vaccine: Covid travel passport.

 

I've been doing some research on vaccination (travel) passports - the digital version of the Yellow Card...

Covid passports could deliver a 'summer of joy,' Denmark hopes:
https://cnn.com/travel/article/covid-19-vaccination-passports-denmark

https://apps.apple.com/us/app/CLEAR-Pass/id1462303605   (like Mobile Passport, but free)
https://apps.apple.com/us/app/CLEAR/id1436333504
https://ClearMe.com
https://apps.apple.com/us/app/CommonPass/id1548682047
https://CommonPass.org
https://www.ibm.com/products/digital-health-pass
https://www.iata.org/en/programs/passenger/travel-pass