Connecticut Childcare Licensing
Connecticut Childcare Immunization Requirements (2026)
Children enrolled in a licensed Connecticut childcare center must show proof of age-appropriate immunization. Connecticut requires documentation for 9 vaccine series, with limited medical and legally permitted exemptions.
Last updated: April 2026
Researched by the TotReady Research TeamConnecticut Immunization Requirements: The Specifics
Connecticut childcare licensing requires age-appropriate DTaP (diphtheria, tetanus, acellular pertussis) immunization for enrolled children (subject to documented medical or legally permitted exemptions).
Connecticut childcare licensing requires age-appropriate Hib (Haemophilus influenzae type b) immunization for enrolled children (subject to documented medical or legally permitted exemptions).
Connecticut childcare licensing requires age-appropriate Pneumococcal conjugate (PCV) immunization for enrolled children (subject to documented medical or legally permitted exemptions).
Connecticut childcare licensing requires age-appropriate Polio (IPV) immunization for enrolled children (subject to documented medical or legally permitted exemptions).
Connecticut childcare licensing requires age-appropriate MMR (measles, mumps, rubella) immunization for enrolled children (subject to documented medical or legally permitted exemptions).
Connecticut childcare licensing requires age-appropriate Hepatitis B immunization for enrolled children (subject to documented medical or legally permitted exemptions).
Connecticut childcare licensing requires age-appropriate Hepatitis A (2 doses given six calendar months apart, 1st dose on or after the 1st birthday — required for child care/preschool) immunization for enrolled children (subject to documented medical or legally permitted exemptions).
Connecticut childcare licensing requires age-appropriate Varicella (chickenpox) immunization for enrolled children (subject to documented medical or legally permitted exemptions).
Connecticut childcare licensing requires age-appropriate Influenza (1 dose required each year between Aug 1 and Dec 31 for preschool-age children; NOT required once a child turns 5) immunization for enrolled children (subject to documented medical or legally permitted exemptions).
Connecticut Immunization Requirements Checklist
- DTaP (diphtheria, tetanus, acellular pertussis)
- Hib (Haemophilus influenzae type b)
- Pneumococcal conjugate (PCV)
- Polio (IPV)
- MMR (measles, mumps, rubella)
- Hepatitis B
- Hepatitis A (2 doses given six calendar months apart, 1st dose on or after the 1st birthday — required for child care/preschool)
- Varicella (chickenpox)
- Influenza (1 dose required each year between Aug 1 and Dec 31 for preschool-age children; NOT required once a child turns 5)
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Connecticut Immunization Requirements: Frequently Asked Questions
Which vaccines does Connecticut require for childcare enrollment?
Connecticut requires age-appropriate immunization records for: DTaP (diphtheria, tetanus, acellular pertussis), Hib (Haemophilus influenzae type b), Pneumococcal conjugate (PCV), Polio (IPV), MMR (measles, mumps, rubella), Hepatitis B, Hepatitis A (2 doses given six calendar months apart, 1st dose on or after the 1st birthday — required for child care/preschool), Varicella (chickenpox), Influenza (1 dose required each year between Aug 1 and Dec 31 for preschool-age children; NOT required once a child turns 5).
Are immunization exemptions allowed in Connecticut?
Connecticut permits documented medical exemptions and, where state law allows, certain non-medical exemptions. Confirm the current exemption rules with the Connecticut Office of Early Childhood (OEC), Division of Licensing.
When must immunization records be on file in Connecticut?
Connecticut requires up-to-date immunization documentation at enrollment, with records kept current in each child's file thereafter.
Connecticut childcare licensing rules are amended regularly. This page is compiled from published Connecticut administrative codes and statutes for informational purposes only — always verify current requirements with the Connecticut Office of Early Childhood (OEC), Division of Licensing before relying on them. TotReady provides information and document templates, not legal or regulatory advice.