“…Cocaine use in particular plays a central role in the spread of HIV and HCV infections, partly due to its association with high risk consumption patterns. When compared to other PWID, those who regularly use smoked or injected cocaine were found to engage in more risky injection practices and to have increased likelihood of HIV and HCV seroconversion (Bruneau, Roy, Arruda, Zang, & Jutras-Aswad, 2012;DeBeck et al, 2009;Golub et al, 2005;Havens, Oser, & Leukefeld, 2011;Ropelewski, Mancha, Hulbert, Rudolph, & Martins, 2011;Tyndall et al, 2003).…”