August 24/31, 2021, Vol 326, No. 8, Pages 685-778
Lottery-Based Incentive in Ohio and COVID-19 Vaccination Rates
Allan J. Walkey, MD, MSc; Anica Law, MD, MS; Nicholas A. Bosch, MD, MSc
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JAMA. 2021;326(8):766-767. doi:10.1001/jama.2021.11048
This study assesses changes in COVID-19 vaccination rates before and after the Ohio vaccine lottery announcement compared with national rates to control for the expansion of vaccine indications to adolescents.