Vaccine passports – the future?, illustration photo, source: internet At the end of December, thousands of Europeans received the first doses of the Pfizer-BioNtech COVID-19 vaccine after the company received authorisation in the EU. Since then, other countries such as the US, Israel, the UAE, Bahrain, India, and several Asian countries, including Vietnam, have also started to receive or order vaccines to prepare for mass vaccination programmes. This has awakened optimism about an end to the pandemic and the idea of a vaccine passport. A heated discussion Some parts of the world, such as the Seychelles, Cyprus, and Romania, have begun to remove quarantine requirements for visitors who have been vaccinated. In early January, Denmark also announced that it would issue vaccine passports to citizens within the next three to four months. To get digital vaccine passports, Danish citizens will have to declare their medical and vaccination status on a government-issued app. Owners of such passports will be able to return to Denmark without quarantine and receive access to bars, restaurants, and hotels. Iceland became the first European nation to issue vaccine certificates in late January. While Greece also announced it will unveil a digital vaccination certificate for those who have received two doses of the vaccine, Israel recently announced that a so-called Green Badge will allow vaccinated people to go to restaurants, attend public events, and travel freely. Other countries that are currently issuing or waiting for vaccine passports include the Czech Republic, Estonia, Hungary, Italy, Poland, Portugal, Slovakia, Spain, and Sweden. Despite being supported by several countries and seen as a necessary condition for freedom of movement, vaccine passports have received mixed reactions in many places. The UK, the first in the world to vaccinate people against COVID-19, had previously denied plans for vaccine passports to allow people to travel abroad, but …