Geographic variation in measles vaccine coverage among children aged 7 years in Northern California

About this study : 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 ).

10.1001/jamanetworkopen.2026.26224

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