Pingali, S.C., Delamater, P.L., Buttenheim, A.M., et al (2019).
Findings In this observational study of school-level data from 9 323 315 kindergartners who started attending school between 2000 and 2017, the rate of kindergartners without up-to-date vaccination status decreased from 9.84% during 2013 (before the interventions) to 4.87% during 2017 (after the interventions).
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