Persistence of Free HBV DNA in Body Secretions and Liver Despite Loss of Serum HBV DNA After Interferon-Induced Seroconversion

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Abstract

Following interferon therapy, a chronic hepatitis B (HBV) carrier lost all serum markers of active viral replication and became anti-HBe positive but remained positive for free and replicative HBV-DNA in semen, saliva, urine, and liver four months later. At 12 months, when he also developed anti-HBs, urine and saliva analysed for free HBV-DNA were positive. Despite histological remission and loss of HBV-DNA from serum, the potential for transmission of HBV and reactivation of disease remain.

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