Harm reduction headway and continuing resistance: insights from safe injection in the city of Vancouver.

North America's first official safe injection facility has begun to generate substantial evidence attesting to the harm reduction benefits of supervised injection. Reductions in morbidity, mortality, and crime rates have strengthened the resolve of local advocates and even influenced the views of some original detractors. Many status quo defenders are unwavering, however, in their condemnation of initiatives like InSite.