US Patent 7128258 Optical immunization card

A system is provided for providing security with an optical card. According to one embodiment of the invention, immunization data can be disposed on an optical card and used in an optical card system to establish that a particular individual has been immunized for a particular disease. The immunization data can be stored in a variety of formats and encrypted for verification. Biometric data can be used with the immunization data to establish that the immunization data applies to that particular individual. The optical card memory allows sufficient biometric data to be stored so as to clearly verify the identity of the card holder.