“…However, a recent surge in the availability of strong, cheap heroin to urban populations has contributed to growth in injecting drug use in Dar es Salaam (McCurdy, Williams, Kilonzo, Ross, & Leshabari, 2005; McCurdy, Ross, Kilonzo, Leshabari, & Williams, 2006; UNODC, 2013). Easy access to heroin combined with myriad social and economic forces, such as rapid urban migration, lack of employment for youth, and limited mental health care, have further contributed to a rise in injecting drug use (Acuda, Othieno, Obondo, & Crome, 2011; McCurdy et al, 2005). The Tanzania Drug Control Commission estimates that 50,000 people inject drugs nationally (TDCC, 2010).…”