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GBV-C/HGV genotypes: proposed nomenclature for genotypes 1-5
1Department of Medical Microbiology/SAIMR and Medicine, University of Cape Town, South Africa. tim@curie.uct.ac.za
Abstract:
The GB virus-C and hepatitis G virus (GBV-C/HGV) are variants of the same flavivirus. This proposal attempts to clarify the conflicting nomenclature for GBV-C/HGV genotypes. The first three genotypes described were genotype 1 (West Africa); genotype 2 (US/Europe) and genotype 3 (Asia). Subsequently, two groups published data from South Africa and Southeast Asia both stating the presence of a novel "4th genotype." These isolates are distinct phylogenetically. It is proposed that the nomenclature for genotypes 1-3 remains as per previous publications, and that the Southeast Asian isolates be known as genotype 4, and the South African isolates as genotype 5.
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