Estimates of people who injected drugs within the last 12 months in Belgium based on a capture-recapture and multiplier method

Last updated on 19-7-2022 by Els Plettinckx

Public Access


Peer reviewed scientific article



Background For Belgium, available estimates of the number of people who inject drugs (PWID) are based on data from more than fifteen years ago and apply only to those who report ever injecting drugs. As a result, no reliable baseline data exist to determine the scale of services for PWID. Methods We obtained pseudo-anonymized identifier information from treatment and harm reduction service providers and a fieldwork study between February and April 2019 in Brussels. We estimated the number of PWID, defined as people who injected within the last 12 months, in Brussels using capture-r…

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