BERLIN, GERMANY - JUNE 10: German Health Minister Jens Spahn holds up a paper vaccination certificate during a press conference announcing the CovPass vaccination certificates for smartphones on June 10, 2021 in Berlin, Germany. CovPass will provide international certification for those who have been fully vaccinated against COVID-19. Countries across the EU have been working on a common platform for digital vaccination certification in particular to promote international summer travel and tourism. (Photo by Andreas Gora - Pool/Getty Images)
