"Evidence indicates SIFs [Safe Injection Facilities] are uniquely effective in sustaining contact with the most marginalised and chaotic users who inject drugs in public places. These users are at the greatest risk for disease and death, and are also the least likely to engage directly in a traditional abstinence-based health services. Evidence indicates that SIFs can reduce drug overdose deaths; minimize risks for abscesses, bacterial infections and endocarditis; minimise the risk of HIV, hepatitis C and hepatitis B transmission; and increase referral to drug treatment and other health services, while improving public order."

Source

Barbara Tempalski and Hilary McQuie, "Drugscapes and the role of place and space in injection drug use-related HIV risk environments," International Journal of Drug Policy, (2009), p. 9.