Multiple surface antigen mutations in five blood donors with occult hepatitis B virus infection.

Abstract

Occult hepatitis B virus (HBV) infection is characterized by the presence of HBV DNA while the HBV surface antigen (HBsAg) remains undetectable. The HBV genomes in five asymptomatic blood donors with occult HBV infection and low viremia (<10 to 1,000 HBV DNA copies/mL, genotype D) were studied. An unusually large number of amino acid mutations was present… (More)
DOI: 10.1002/jmv.21233

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