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Geographic Variation in Measles Vaccine Coverage Among Children Aged 7 Years in Northern California

JAMA Network Open 10.1001/jamanetworkopen.2026.26224

July 30, 2026 at 11:00 AM EDT

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This cohort study assesses the variation in measles-containing vaccine coverage at the county census tract level among children aged 7 years in Northern California.

Corresponding Author: Karen B. Jacobson, MD, MPH, Kaiser Permanente Vaccine Study Center, 1 Kaiser Plaza, 17B, Oakland, CA 94612 (karen.x.jacobson@kp.org).

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