As delta variant spreads, some companies with vaccine mandates deploy tech to verify records

Last year, Clear — known for its program that grants travelers expedited airport entry — debuted Health Pass, a mobile app that helps employers verify the vaccination status of their employees. The software can read and verify QR codes, double-check records from big vaccine providers like Walgreens or the Atlantic Health System, and uses image-recognition technology to validate uploaded pictures of CDC cards. The process is somewhat “imperfect,” as a person could find a blank CDC card and claim it, said Catesby Perrin, Clear’s executive vice president of growth. But Health Pass is expected to help mitigate any obvious forms of fraud, he added.