“…This same research has also identified having drug and sexual networks that include injectors as factors associated with transitioning. Furthermore, individual susceptibility such as personal traumatic events, fear of HIV/AIDS, not being afraid of needles and attitudes about injectors have been identified as important risks for making a transition (Bravo, Barrio, & de la Fuente, 2003;Casriel, Des Jarlais, Rodriguez, Friedman, & Khurl, 1990;Neaigus, Atillasoy, & Friedman, 1998;Sotheran, Goldsmith, Blasco, & Friedman, 1999).…”