We believe that until access to vaccination is generalized, if governments grant free movement to vaccination certificate holders, they should also provide ample and cheap opportunities for obtaining test results quickly for those who are unvaccinated and treat a recent negative test result as equivalent to proof of vaccination.
The Washington Post: E.U. unveils vaccine passport plan to enable summer travel
Times of Malta: EU to unveil vaccine pass plans to 'help save tourism'
RTL Luxembourg: EU proposes travel certificate to help save tourism