Immunization Laws and Regulations

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Every state has laws that require children to get certain vaccines before they can go to school or day care. Additionally, states have laws that require doctors to report vaccines administered to the state through their Immunization Information System (IIS) such as Connecticut’s CT WiZ. Learn more about Connecticut’s immunization laws and regulations below!

CT WiZ Confidentiality Agreement

Below is a copy of the CT WiZ Confidentiality Agreement for your records. PLEASE DO NOT SIGN THIS COPY. Starting April 15, 2025, upon login to CT WiZ, look for the prompt pop ups for instructions to electronically sign the agreement for new users and for required renewal. 

EXEMPTIONS AND CATCH-UP GUIDANCE

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Non-Medical exemptions

Public Act 21-6 repeals non-medical exemptions in CT. The act includes amendments to the following statutes: 10-204a, 19a-25, 10a-155, 10a-155b(a), 19a-79, 19a-87b.
 
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Medical exemptions

Pursuant to Section 7 of Public Act 21-6, this Medical Exemption Certificate should be used by healthcare providers submitting a medical exemption for a child or student attending a CT child care program, elementary, middle, high school, or higher education.

See below for letter clarifying the process for reporting a medical exemption securely online. The certificate describes the information to be entered in the portal.

Vaccine Catch-up Guidance for Students Enrolled in PK - Grade 12

Immunization Requirements

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Child Care and Youth Camps
Immunization Requirements
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Elementary, Middle School & High School Immunization Requirements
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College
Immunization Requirements

Additional Resources