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Bulletin of the World Health Organization

Print version ISSN 0042-9686


ESPIRITO SANTO, M.E. Gomes do  and  ETHEREDGE, G.D.. How to reach clients of female sex workers: a survey "by surprise" in brothels in Dakar, Senegal. Bull World Health Organ [online]. 2002, vol.80, n.9, pp.709-713. ISSN 0042-9686.

OBJECTIVE: To describe the sampling techniques and survey procedures used in identifying male clients who frequent brothels to buy sexual services from female sex workers in Dakar, Senegal, with the aim of measuring the prevalence of human immunodeficiency virus (HIV) infection and investigating related risk behaviours. METHODS:Surveys were conducted in seven brothels in Dakar, Senegal. Clients were identified "by surprise" and interviewed and requested to donate saliva for HIV testing. RESULTS:Of the 1450 clients of prostitutes who were solicited to enter the study, 1140 (79.8%) agreed to be interviewed; 1083 (95%) of these clients provided saliva samples for testing. Of the samples tested, 47 were positive for HIV-1 or HIV-2, giving an HIV prevalence of 4.4%. CONCLUSION: The procedures adopted were successful in reaching the target population. Men present in the brothels could not deny being there, and it proved possible to explain the purpose of the study and to gain their confidence. Collection of saliva samples was shown to be an excellent method for performing HIV testing in difficult field conditions where it is hard to gain access to the population under study. The surveying of prostitution sites is recommended as a means of identifying core groups for HIV infection with a view to targeting education programmes more effectively. In countries such as Senegal, where the prevalence of HIV infection is still low, interventions among commercial sex workers and their clients may substantially delay the onset of a larger epidemic in the general population.

Keywords : Prostitution; Sex behavior; HIV seroprevalence; Men; Women; Risk factors; Cross-sectional studies; Data collection [methods]; Senegal.

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