I can also confirm that the QR code for the booster which the NHS app now shows IS recognised as valid vaccination proof by both the French and Swiss verification apps. So it should continue to do the trick as countries start to require re-vaccination evidence from visitors. I still can't imagine why the booster wasn't automatically included in the NHS app from the outset, but this is a welcome u-turn and an impressively speedy response by the NHS IT people.
Christopher Woodley ● 889d