Article content Over 60 U.S. stadiums and other venues are deploying an app from Clear to verify people’s COVID-19 status, placing the New York company known for its airport security fast lanes at the forefront of a national debate over “vaccine passports.” Major League Baseball’s San Francisco Giants and New York Mets are among the first big businesses to demand guests prove they tested negative for the virus or are immunized against it. While the teams welcome paper proof, they encourage downloading records onto Clear’s Health Pass feature for convenience. We apologize, but this video has failed to load.