And yet the WHO is still clinging to their position discouraging vaccine proof for travel. They cite a hand-wringing concern over the UN's claimed right of freedom of movement, despite this never being a real right enjoyed by real people. The WHO had one job in a pandemic at which they failed miserably, and now they compound their ineptitude.
https://www.smh.com.au/world/europe/...07-p57h0d.html