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[Antibodies against human immunodeficiency virus in a male homosexual population].

Between August/1987, and February/1988, 60 homosexual-men from Cancun, Q. Roo, Mexico, were studied to determine the prevalence of HIV antibodies (Elisa and Western Blot). Six subjects were seropositive. No relationship was found between HIV antibodies and age, socioeconomic level or sexual intercourse with foreign subjects. The number of sexual partners/month, and the number of sexual intercourse/month were associated with the presence of HIV antibodies. Bisexual practices were found in 43 percent of all the group. Two subjects with HIV antibodies were classified in the phase II of HIV infection, one in phase III, two in phase IV-A and one more in phase IV-c2.