CONICET | Buscador de Institutos y Recursos Humanos

Background and objective: To estimate HIV and Treponema pallidum prevalence of infection in women, men and transvestites sex workers (SW) from different cities of Argentina, and to analyze risk factors associated with these infections.To estimate HIV and Treponema pallidum prevalence of infection in women, men and transvestites sex workers (SW) from different cities of Argentina, and to analyze risk factors associated with these infections. Methods: SW older than 18 years of age were recruited during 2006-2007. After signing a consent form, a blood sample was drawn. Every participant answered a questionnaire in order to obtain information regarding risk factors related to sex work. Part of the study was funded by The Global Fund (Sub-Project N°112).SW older than 18 years of age were recruited during 2006-2007. After signing a consent form, a blood sample was drawn. Every participant answered a questionnaire in order to obtain information regarding risk factors related to sex work. Part of the study was funded by The Global Fund (Sub-Project N°112). Results: So far, 800 women, 88 men and 74 transvestites accepted to participate. HIV prevalence in women was 2.2%, T.pallidum was 21.8% and coinfection was 1.1%. Among men, HIV prevalence was 14.8% and T.pallidum was 25.0%, while coinfection was 9.1%. In transvestite population, HIV prevalence was 32.4% and T.pallidum was 50%, coinfection was 23.0%. Preliminary data analyzed in 420 SW women showed 51.8% were not born in Argentina. 10.6% of women reported use of illegal drugs (any kind). Among women with stable partners irregular use of condom was reported in 83%, while 91.2% of the total population always used condom at work. Data from 52 SW men, 53.3% of their stable partners were males. Among 74 SW transvestites, 27.4% declared having had STI, (syphilis 75%).So far, 800 women, 88 men and 74 transvestites accepted to participate. HIV prevalence in women was 2.2%, T.pallidum was 21.8% and coinfection was 1.1%. Among men, HIV prevalence was 14.8% and T.pallidum was 25.0%, while coinfection was 9.1%. In transvestite population, HIV prevalence was 32.4% and T.pallidum was 50%, coinfection was 23.0%. Preliminary data analyzed in 420 SW women showed 51.8% were not born in Argentina. 10.6% of women reported use of illegal drugs (any kind). Among women with stable partners irregular use of condom was reported in 83%, while 91.2% of the total population always used condom at work. Data from 52 SW men, 53.3% of their stable partners were males. Among 74 SW transvestites, 27.4% declared having had STI, (syphilis 75%). Conclusions: HIV prevalence of infection among female SW from Argentina was lower, though not significant, to that reported previously (3.2%), while prevalence of T.pallidum diminished (45.7%vs21.75%) significantly (p<0.001). Among 10 women who resulted HIV positive, 5 thought they had no risk of infection. The fact that 91.2% of women reported the use of condom at work while 83% declared no use with their stable partner, suggests that their stable partner may be the source of infection. Preliminary data obtained from men and transvestites showed higher prevalence of infection for both pathogens and higher rates of coinfection.HIV prevalence of infection among female SW from Argentina was lower, though not significant, to that reported previously (3.2%), while prevalence of T.pallidum diminished (45.7%vs21.75%) significantly (p<0.001). Among 10 women who resulted HIV positive, 5 thought they had no risk of infection. The fact that 91.2% of women reported the use of condom at work while 83% declared no use with their stable partner, suggests that their stable partner may be the source of infection. Preliminary data obtained from men and transvestites showed higher prevalence of infection for both pathogens and higher rates of coinfection.

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