| evidence of increasing diversification of hepatitis c viruses. | hepatitis c virus (hcv) has high genomic variability and, since its discovery, at least six different types and an increasing number of sub-types have been reported. the hcv genotype may influence virus replication, the natural course of disease and the response to therapy. hcv has been described as a dynamic population of heterogeneous, closely related variants, designated quasispecies. in order to study the degree of genetic variability of strains isolated in montevideo, uruguay, sequence data ... | 1999 | 10374954 |
| sexual transmission of hepatitis b virus, hepatitis c virus, and human immunodeficiency virus type 1 infections among male transvestite comercial sex workers in montevideo, uruguay. | prostitution may constitute a risk behavior for infection with hepatitis b virus (hbv), hepatitis c virus (hcv), and human immunodeficiency virus (hiv). we conducted a seroepidemiologic study among 200 male transvestite commercial sex workers (csws) in montevideo, uruguay in 1999. evidence of exposure to hbv, hcv, and hiv was found in 101 (50.5%), 13 (6.5%), and 43 (21.5%) individuals, respectively. positivity for hiv was correlated with both hbv (odds ratio [or] = 2.15, 95% confidence interval ... | 2003 | 12887033 |