What is CT WiZ?

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CT WiZ is the official Immunization Information System (IIS) for Connecticut. It is designed to meet national standard requirements for effective tracking and administration of immunizations in a public health setting. It is a web-based system that maintains complete, accurate and secure immunization records for patients vaccinated in Connecticut. All personal information including immunization status and dates of immunization of individuals shall be confidential as required by Connecticut law. Click here for more information about CT WiZ including the benefits and how to enroll.


Need help with the CT WiZ Public Portal?


  • If you tried using the CT WiZ Public Portal and your record was not found, you can complete this online form to request an update to access your immunization record.
  • Call our Main Immunization Program at Phone: 860-509-7929 during business hours Monday – Friday, 8:30 AM – 4:30 PM.
  • You can also reach this contact information for support by clicking the HELP button on the top right corner of the public portal.

CT Wiz for Public General Public