Abstract
The seroprevalence of human immunodeficiency virus (HIV) infection and syphilis was investigated in 181 female prostitutes in Tegucigalpa, Honduras. One particle agglutination test and two enzyme immunoassays, as well as one immunofluorescence test were used for the screening of HIV antibodies. Confirmation of positive results by the screening tests was carried out by Western blot. The prevalence of HIV seropositivity was 4% (8 women). Specific treponemal antibodies were found in 50% (90/181) of the prostitutes as judged by Treponema pallidum haemagglutination assay (TPHA) and/or fluorescent treponemal antibody-absorption (FTA-ABSIgG) test. As estimated by the positivity of any or both non-treponemal tests (VDRL and RPR), a total of 31 (17%) out of the 181 women had active syphilis. A good correlation was found between the results obtained by TPHA and FTA-ABSIgG. IgM antibodies were found in 72% of sera positive by TPHA and/or FTA-ABSIgG. Four out of the 181 women were found to have antibodies to both HIV and Treponema pallidum.
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