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Age-dependent acquisition of hepatitis G virus/GB virus C in a nonrisk population: detection of the virus by
H H Feucht1, M Schröter, B Zöllner
1Institute of Medical Microbiology and Immunology, Universitäts-Krankenhaus Eppendorf, Hamburg, Germany. feucht@uke.uni-hamburg.de
Abstract:
Until now there have been few seroepidemiological data for hepatitis G virus/GB virus type C (HGV/GBV-C). A four-antigen HGV/GBV-C immunoblot was established to examine 446 serum specimens from healthy individuals without risk factors for parenteral viral transmission. These individuals were divided into seven groups according to age. Seroprevalence rates were low for children and adolescents (5.6%) and increased for the age groups assumed to be the most sexually active (15.3 to 26.8%). Remarkably, none of the 80 individuals who tested positive for HGV/GBV-C antibodies were simultaneously positive for HGV/GBV-C viremia. From our data we conclude that HGV/GBV-C infection is widespread in the general population (16 to 25%). The development of an antibody response is associated with clearance of HGV/GBV-C viremia. Due to the lack of risk factors for HGV/GBV-C infection of blood, other efficient transmission routes must exist. It must be assumed that HGV/GBV-C transmission may be linked to sexual activity.