Occult HBV infection is defined by the existence of HBV DNA in serum, lymphoid cells (PBMC) and/or the liver and virus-genome replicative intermediates (i.e., covalently closed circular DNA ...

Background and aim: Occult hepatitis B virus (HBV) infection is defined by the detectable serum HBV–DNA in HBV surface antigen-negative patients. This retrospective study aims to evaluate the ...