Vaccine lotteries did not work: Study video
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Vaccine lotteries did not work: Study
Study: Vaccine Lotteries Don't Work?!
New study suggests lottery-based incentives doesn't boost vaccination rates
Study Shows Lottery Incentives Failed To Encourage Vaccinations
Vaccine lottery in Colorado did not work for increasing vaccination rates
Pfizer did not know whether Covid vaccine stopped transmission before rollout
Boston University study says Ohio's Vax-a-Million lottery did not increase COVID vaccination rates
A look at why North Carolina's $1 million vaccine lottery did not work
Study: Lottery based incentives don't boost COVID-19 vaccinations
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