Each ImmunaBand, priced at $19.99, has a metal tag with a unique QR code attached to it which, when scanned, links to a copy of the wearer's vaccination card. A more expensive one is available which has the wearer's name and vaccine type engraved on it. Both are sold on theImmunaBand requires that people upload a photograph of their vaccination card to an ImmunaBand server. The company says this photo is stored and end-to-end encrypted"to ensure data privacy and security.
In at least one case the bands have been taken on by hospitality staff. Some workers at the El Merkury Central American Street Food outlet in Philadelphia have started to wear them, and the business owner, Sofia DeLeon, toldImmunaBand states that customer information goes through approval before bracelets are shipped out, but does not specify whether any system is in place to detect a forged vaccine card.
by the Centers for Disease Control and Prevention at the time of writing. Some 344,503,495 doses have been delivered.