How vaccine passports for global travel will work

By KELVIN CHAN AP Business Writer

LONDON (AP) — Travelers may soon need to carry digital vaccination certificates alongside suitcases and boarding passes. Keen to avoid losing another summer of tourism revenue to the coronavirus pandemic, the European Union, some Asian governments and the airline industry are scrambling to develop so-called COVID-19 vaccine passports to help kickstart international travel.

The programs would allow travelers to use mobile phone apps to prove they've been vaccinated and to avoid onerous quarantine requirements at their destinations. But the multiple efforts underscore the lack of one central international system to electronically verify vaccination status.

The projects also face technical challenges, while questions about privacy and vaccine inequality linger.

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