PWID 40 years of age and older are depicted in the dark gray columns. PWID less than 40 years of age are depicted in the light gray columns. Column 1: Total number of HCV antibody positive PWID ≥40 years of age (n= 220, 100%) and <40 years of age (n=156, 100%). Column 2: Proportion of HCV antibody positive PWID who report any prior test for HCV (≥40 years of age n=211, 96%; <40 years of age n=142, 91%). Column 3: Proportion of HCV antibody positive PWID who report a prior confirmatory test for HCV (≥40 years of age n=186, 85%; <40 years of age n=117, 75%). Column 4: Proportion of HCV antibody positive PWID who report a prior diagnosis of HCV (≥40 years of age n=159, 72%; ,40 years of age n=95, 61%). Column 5: Proportion of HCV antibody positive PWID with a prior diagnosis of HCV who report treatment for HCV (≥40 years of age n= 53, 33%; <40 years of age n=12, 13%). Column 6: Proportion of HCV antibody positive PWID with a prior diagnosis of HCV who report being cured of HCV (≥40 years of age n=40, 25%; <40 years of age n=6, 6%). Black error bars represent 95% confidence intervals for column percentages.