Occult HBV Infection in Patients Infected by HIV or HCV: Comparison between HBV-DNA and Two Assays for HBsAg.

29.9% among HCV-infected) was highly significant ( p < 0.001), and, conversely, the relative frequency of samples positive for anti-HBc was only significantly higher in patients with HCV than in patients with HIV (35% vs. 21%; p < 0.005).

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