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POPSUS HCV Prevalence From MMWR March 6, 2009 / 58(08);189-194. Primary reference: Armstrong GL, Wasley A, Simard EP, McQuillan GM, Kuhnert WL, Alter MJ. The prevalence of hepatitis C virus infection in the United States, 1999 through 2002. Ann Intern Med 2006;144:705--14.