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Incidence of reinfection in the PREVAIL extension study. Risk factors for reinfection among all participants in the extension study (n = 114) were ongoing IDU in the follow-up period (P < .001), a lack confidence in the ability to avoid contracting HCV (P < .001), homelessness (P = .002), and living with someone who injects drugs (P = .007). Abbreviations: HCV, hepatitis C virus; IDU, injection drug use; PREVAIL, Prevent Resistance Eliminate Virus and Improve Life.
