Colorado Immunization Information System


Immunization records are confidential, personal medical information. The Colorado Immunization Information System (CIIS) 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 CIIS. CIIS and all people and entities that access immunization records are required to maintain the confidentiality of those records.

How to get a copy of your record.
Create a CIIS account.
Learn how to use CIIS and access required training courses. 
Create an electronic interface between your electronic health records system and CIIS.
Policies and procedures
Review information about CIIS, including security, confidentiality and opt-out policies.
Request data from CIIS for research purposes approved by the Institutional Review Board.