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Hepatitis delta virus infection in Nepal.

Hepatitis Delta Virus (HDV) infection is very rare in Nepal. Anti-HDV antibody was detected in none of the 110 HBsAg sero-positive persons with different profile of HBV infection. It was however detected in only one patient of liver cirrhosis and hepatocellular carcinoma who were sero-negative for HBsAg but had serological evidence of past infection with HBV and HCV.