The Department of Health and Human Services shall establish an immunization information system for the purpose of providing a central database of immunization information which can be accessed pursuant to rules and regulations of the department by any person or entity listed in section 71-539, by a patient, and by a patient's parent or legal guardian if the patient is a minor or under guardianship. In order to facilitate operation of the immunization information system, the department shall provide the system with access to all records of the department, including, but not limited to, vital records.