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January 14, 2026JAMA

Trends in County-Level Childhood Vaccination Exemptions in the US

Mustafa Fattah Lauren Stoffel Kate M. Bubar Samantha J. Bents Yvonne Maldonado Peter J. Hotez Mathew V. Kiang Nathan C. Lo

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Key Points

This research aims to analyze trends in both nonmedical and medical exemptions to childhood vaccination across different counties in the US.
Analyzed county-level data on vaccination exemptions
Categorized exemptions into medical and nonmedical types
Examined temporal changes in exemption rates
Identified increasing trends in nonmedical exemptions in several counties
Noted variations in medical exemption rates across different regions
Highlighted the potential impact of these trends on public health initiatives

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Implication

Examines trends in vaccination exemptions among children across counties, suggesting implications for public health policies.

Abstract

This study examines US county-level trends in nonmedical and medical exemptions to childhood vaccination requirements.

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Cite This Study

Fattah et al. (2026) studied this question.

synapsesocial.com/papers/6969d518940543b97770a126 https://doi.org/10.1001/jama.2025.24407

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