Occult hepatitis B among chronic liver disease patients.
Seyed M Alavian
Mohammad R Zali
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Occult hepatitis B virus (HBV) infection is characterized by presence of HBV infection with undetectable hepatitis B surface antigen (HBsAg). Diagnosis of occult HBV infection requires sensitive HBV-DNA polymerase chain reaction (PCR) assay. Occult hepatitis B is a new entity and the prevalence of it and its clinical importance has not been investigated yet in Iran. The aim of this study is to investigate the prevalence and clinical importance of occult hepatitis B among chronic liver disease patients in Iran.