Risk of Measles Vaccine Associated Febrile Seizures among Children 6-59 Months Old in a Federally Qualified Health System, 2008-2024.

Kurlandsky, Kate; Breslin, Kristin; Stein, Amy; Brtnikova, Misha; Cruz, Hannah; Williams, Joshua T B · J Pediatr · 2026

retrospective_cohort · Level III

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Abstract

A 15-year retrospective cohort study of 53 830 children 6-59 months old in a Federally Qualified Health System identified 10 febrile seizures 7-14 days after measles vaccination (incidence rate 2.05 [95% CI 0.98, 3.77] per 100 000 person-days); all had concurrent illnesses and co-administered vaccines. To date, no child has developed epilepsy.

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