Immunization records are confidential, personal medical information. The Colorado Immunization Information System is a lifelong immunization record tracking system under the Colorado Immunization Registry Act of 2007. CIIS has signed agreements with all participating sites that are authorized to provide information to or access information from the immunization registry.

CIIS and all persons and entities that access immunization records are required to maintain the confidentiality of those records.

For more information about the CIIS Confidentiality Policy which explains the terms of use and access, visit the Policy page