Denmark is the latest country that says a vaccination passport will be needed in a hard hitting article about the EU rollout published last week. This will not make air travel any easier this year as I assume 2 vaccinations will need to be acquired. As some point the U.K. government is going to have to buy into travel passports.
https://www.theneweuropean.co.uk/bre...ccines-6895862
Underscoring how seriously it takes vaccination, the country has now announced plans to roll out a so-called 'digital vaccine passport' which will be required for those who enter the country from abroad, including Danes.