What to know about COVID-19 vaccine 'passports' and why …
http://go.microsoft.com/fwlink/?LinkID=617350
WEBApr 10, 2021 · What is a vaccine 'passport?' While we typically think of passports as government-issued travel documents, many people are using the same term to refer to digital certificates to prove vaccination status, used to gain entry into events or businesses, such as a QR code on a smartphone that you would show before entering a stadium.
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