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Small cash incentives dramatically improve hepatitis B vaccination rates among injecting drug users

Small financial incentives, totaling as little as 30, can dramatically increase the likelihood of people who inject drugs completing a course of hepatitis B virus vaccination, according to new research. Researchers in the UK found that people undergoing treatment for heroin addiction who received a maximum total of 30 supermarket vouchers in equal or graduated installments in return for full compliance with a regimen of three HBV vaccine injections were at least 12 times as likely to complete the course within 28 days compared to those not receiving a financial incentive.
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