Three PCR methods based on the GB virus-C/hepatitis G virus (GBV-C/HGV) 5'UTR and NS3 genomic region were used for the detection of GBV-C/HGV RNA in serum of 62 patients with chronic hepatitis C virus (HCV) infection. Ten of 62 (16%) patients were found to have GBV-C/HGV RNA, which was confirmed by sequence analysis of the 5'UTR PCR amplicon. All methods appear to be specific, but methods based on the 5'UTR appear to be more sensitive.
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Bhardwaj et al. (1997) studied this question.
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