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In Brief Serum specimens collected during the 2011 round of National HIV Behavioral Surveillance among men who have sex with men in San Francisco were tested for hepatitis C virus antibodies. Hepatitis C virus infection was found among men who have sex with men with a history of intravenous drug use and those who were already human immunodeficiency virus infected. Among 466 San Francisco MSM sampled in 2011, hepatitis C virus prevalence was 4.5% (95% confidence interval, 2.6–6.4). Among HIV-infected MSM, hepatitis C virus prevalence was 15.7% (95% confidence interval, 8.8–22.7).
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Raymond et al. (2012) studied this question.
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