Passes and vaccine passports are increasingly being used across the world to limit entry to public places to those who have been vaccinated, recovered from Covid or tested negative. European pioneers From March, Denmark, Austria and Hungary were among the first countries to introduce health passes, either on paper or in digital form.
You still need a pass to go into restaurants, hotels and sports centres in Austria. In Denmark it now only applies to hairdressers and sports centres.
In Hungary, immunity certificates delivered from the first vaccine shot were required to stay in hotels, go to restaurants, theatres, sports or music events.