Will Covid-19 Vaccine Passports Work?

A number of start-ups and major tech companies like Microsoft, Ticketmaster, Apple, and Google are interested in vaccine or immunization passports to help reopen the economy. But public health officials are weary, warning the apps are pointless without more knowledge about the efficacy of the vaccines. Watch the video above to learn more about digital vaccine verifications and how you could possibly prove your immunity to coronavirus before attending an event or entering a building. » Subscribe to CNBC: » Subscribe to CNBC TV: » Subscribe to CNBC Classic: About CNBC: From ’Wall Street’ to ’Main Street’ to award winning original documentaries and Reality TV series, CNBC has you covered. Experience special sneak peeks of your favorite shows, exclusive video and more.