I am of no help with your main question but if the wife wants to go on vacation in Europe then some countries do not accept US vax papers as proof of vax, and require negative covid tests and quarantine for entry from anyone without a WHO-certified card, or a digital EU vax card.
I am of no help with your main question but if the wife wants to go on vacation in Europe then some countries do not accept US vax papers as proof of vax, and require negative covid tests and quarantine for entry from anyone without a WHO-certified card, or a digital EU vax card.