An Ohio lottery that offered five $1 million prizes to winning adult COVID-19 vaccine recipients and spurred other states to adopt such incentives didn't pay off in increased vaccination rates, a study late last week in JAMA shows.Boston University researchers used the Centers for Disease Control and Prevention COVID-19 Vaccine Tracker to measure daily first vaccine doses in adults 18 years and older in Ohio and the rest of the country before and after the May 12, 2021, Vax-a-Million lottery announcement.
They didn't include data from 10 other states after they launched similar lotteries.Ohio used part of its federal coronavirus relief money to fund the lottery.