Those are available and fairly easy to get, typically for travel to other countries where an app is not so easy to obtain for non-citizens, even comes with tran

Those are available and fairly easy to get, typically for travel to other countries where an app is not so easy to obtain for non-citizens, even comes with translations to popular language (I've just returned from France to the UK, in France a passe sanitaire is needed in all bars & restaurants, the NHS paper form was universally accepted). https://www.gov.uk/guidance/nhs-covid-pass https://www.gov.uk/guidance/nhs-covid-pass