Been vaccinated? You may have to prove it Thatâs already the case at Madison Square Garden, and it could soon be true at work and at international borders By Hiawatha Bray Globe Staff,Updated March 10, 2021, 4:22 p.m. Email to a Friend Everyone in the audience for a performance of the musician Ivri Lider in Tel Aviv March 5 had to show proof of COVID-19 vaccination or full recovery from the disease. As vaccination passports are developed, one concern is that the systems won't be valid in all countries.Oded Balilty/Associated Press Planning to celebrate your vaccination with a night out at the movies, or dinner, or a day at the ballpark? You might need to bring your passport â vaccine passport, that is.