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The level of hepatitis C virus (HCV) in the serum of 337 blood donors infected with different viral genotypes was investigated by branched DNA assay. Viral genotype was deduced by restriction analysis of the virus 5'- noncoding region. Samples included genotypes 1a, 1b, 2a, 2b, 3, 4, 5, and 6. Multivariate analysis revealed that the ranges of HCV levels were similar for all viral genotypes and subtypes (P = .18), with the possible exception of genotype 4. Virus levels were significantly lower in female than male subjects (P < .001) but did not correlate with donor age (P = .06) or country of origin (P = .07). Alanine aminotransferase level was not correlated with virus level or genotype or with donor age, sex, or country. These results indicate a similar replicative capacity in vivo for different HCV genotypes and clarify the influence of host and virus factors on disease severity and responsiveness to interferon treatment.

Original publication

DOI

10.1093/infdis/173.3.727

Type

Journal article

Journal

Journal of Infectious Diseases

Publication Date

01/01/1996

Volume

173

Pages

727 - 730