Fig. 3From: Harm reduction and viral hepatitis C in European prisons: a cross-sectional survey of 25 countriesAvailability and coverage of needle and syringe programs (NSPs) in European prisons. Green: NSP available in all prisons; yellow: NSP officially available in all prisons, but not in use due to enrollment requirements; orange: NSP available in at least one prison; red: NSP not available in prisons; gray: not part of the Hep-CORE datasetBack to article page