About The Study: This study identified an increase in nonmedical exemptions to childhood vaccination requirements from 2010 to 2024, with wide variation among counties and states and an increase following the COVID-19 pandemic, which may contribute to resurgence of vaccine-preventable diseases. This county-level analysis reveals geographically focused areas of high vaccine exemptions that are less evident at the state level.
Corresponding Author: To contact the corresponding author, Nathan C. Lo, MD, PhD, email Nathan.Lo@stanford.edu.
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(doi:10.1001/jama.2025.24407)
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Journal
JAMA