Immunization Laws and Regulations

Bronze justice scale next to window on desk.
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!


Dark blue outlined icon of non-medical exemptions

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.
Dark blue outlined icon of medical exemptions

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.

Immunization Requirements