COVID Vaccine Passport, the new trend being adopted by world nations

As the world is gradually getting COVID-safe after embracing vaccine shots, some countries across the world are finally getting ready to open their borders for safe travel.
According to the latest reports, Denmark is one of the first countries in the world to launch its own Corona passport. The passport grants the privilege to vaccinated citizens to travel beyond country borders.
Reportedly, citizens who have been vaccinated against the Coronavirus can download the certificate from a government website and save it on the mobile phone. In addition, buzz has it that the Denmark government would soon issue digital Corona passports within 90 days for business travellers.
Besides Denmark, Sweden has already joined the league of nations planning to introduce the digital vaccine passport. For the unacquainted, a vaccine passport is an e-certificate that records jabs and COVID test status. It can be kept in digital formats or in the smartphone app. It has to be shown at security checkpoints during cross-country travel.
Reportedly, a couple of international airlines will begin using a digital travel pass, to facilitate passengers manage their travel plans as well as give airlines and governments proof that passengers have been tested for COVID or vaccinated. The certificate or vaccine passport is supposed to make sure that the virus does not spread again and everyone stays safe.