We asked persons who inject drugs questions about HCV, including past testing and diagnosis followed by HCV testing.Of 540 participants, 145 (27%) were anti-HCV positive, but of those who were positive, only 46 (32%) knew about their infection. Asking about previous HCV testing results yielded better results than did asking about prior HCV diagnosis. Factors associated with knowing about HCV infection included older age, HIV testing, and drug treatment.Comprehensive approaches to educating and screening this population for HCV need implementation.
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