Maria Luisa Gutiérrez-García,Conrado M FernandezRodriguez,Jose Luis Lledo-Navarro,Ingrid Buhigas-Garcia,Service of Gastroenterology,Hospital Universitario Fundación Alcorcón,Av Budapest-1,28922 Alcorcón,Madrid,Spain
Abstract:
Occult hepatitis B virus(HBV) infection(OBI) is characterized by the persistence of HBV DNA in the liver tissue in individuals negative for the HBV surface antigen.The prevalence of OBI is quite variable depending on the level of endemic disease in different parts of the world,the different assays utilized in the studies,and the different populations studied.Many studies have been carried out on OBI prevalence in different areas of the world and categories of individuals.The studies show that OBI prevalence...