School Mandate and Influenza Vaccine Uptake Among Prekindergartners in New York City, 2012-2019.

Hong, Kai; Lindley, Megan C; Tsai, Yuping; Zhou, Fangjun · Am J Public Health · 2022

other · Level III

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Abstract

New York City (NYC) introduced a universal prekindergarten program in 2014 that mandated influenza vaccination for enrollment. We conducted a difference-in-difference-in-differences study to evaluate the program using 2012 to 2019 MarketScan claims data. After the introduction of the program, influenza vaccine uptake among four-year-old children in NYC during the subsequent seasons increased by 6.3 to 9.8 percentage points compared with the rest of New York State. (<i>Am J Public Health</i>. 2022;112(5):719-723. https://doi.org/10.2105/AJPH.2022.306765).

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