(FILES) In this file photo taken on January 22, 2021 a pharmaceutical technician fills a syringe with the Moderna Covid-19 vaccine at the corona vaccination centre at the University hospital in Magdeburg, eastern Germany. – Could a QR code open up the world? That is the question in Estonia as it takes a lead in global efforts to develop digital vaccine passports.
The small, tech-savvy Baltic EU member state is working on a pilot project with the World Health Organization on how globally recognised electronic vaccine certificates might work. (Photo by Ronny Hartmann / AFP)