Mark Remillard ABC News - August 11, 2021 - KRDO's Afternoon News

As the delta variant of the coronavirus sweeps across the United States, a growing number of colleges and universities are requiring proof of COVID-19 vaccination for students to attend in-person classes. But the new mandate has opened the door for those opposed to getting the vaccine to cheat the system: there's plenty of individuals out there selling fake vax cards. And really, have you seen them? Not that hard to reproduce.  And this is despite the threat that being caught can come with fines or even possible jail time. All of which leads to the question of whether digital verification is the way to go.   New York’s Excelsior App is a good example of a successful alternative to a paper card.  Rolled out in March, the Excelsior Pass was the very first government-issued vaccine passport, offering New Yorkers a way to quickly verify their inoculation status or a negative test result via smartphone app or website.