ArticlePloS one2014
Positive impact of increases in condom use among female sex workers and clients in a medium HIV prevalence epidemic: modelling results from Project SIDA1/2/3 in Cotonou, Benin.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 34 citations in OpenAlex.
- Gender-responsive infectious disease models: Guidelines and systematic scoping review.Dialogues in health · 2026Review
- Predictive Factors of HIV-1 Drug Resistance and Its Distribution among Female Sex Workers in the Democratic Republic of the Congo (DRC).International journal of environmental research and public health · 2022Article
- Estimating the epidemic consequences of HIV prevention gaps among key populations.Journal of the International AIDS Society · 2021Article
- Estimating the contribution of key populations towards HIV transmission in South Africa.Journal of the International AIDS Society · 2021Article
- The impact of condom use on the HIV epidemic.Gates open research · 2021Article
- The role of sex work laws and stigmas in increasing HIV risks among sex workers.Nature communications · 2020Article
- Prevalence and characteristics of HIV infection among female sex workers in Lubumbashi, Democratic Republic of Congo.The Pan African medical journal · 2020Article
- Evolving HIV epidemics: the urgent need to refocus on populations with risk.Current opinion in HIV and AIDS · 2019Review
- Early antiretroviral therapy and daily pre-exposure prophylaxis for HIV prevention among female sex workers in Cotonou, Benin: a prospective observational demonstration study.Journal of the International AIDS Society · 2018Observational
- Estimating the contribution of key populations towards the spread of HIV in Dakar, Senegal.Journal of the International AIDS Society · 2018Article
- Recruitment of Female Sex Workers in HIV Prevention Trials: Can Efficacy Endpoints Be Reached More Efficiently?Journal of acquired immune deficiency syndromes (1999) · 2018Article
- Changing Dynamics of HIV Transmission in Côte d'Ivoire: Modeling Who Acquired and Transmitted Infections and Estimating the Impact of Past HIV Interventions (1976-2015).Journal of acquired immune deficiency syndromes (1999) · 2017Article
- HIV among Female Sex Workers in Five Cities in Burkina Faso: A Cross-Sectional Baseline Survey to Inform HIV/AIDS Programs.AIDS research and treatment · 2017Article
- Data and methods to characterize the role of sex work and to inform sex work programs in generalized HIV epidemics: evidence to challenge assumptions.Annals of epidemiology · 2016Review
- A cross-sectional study to evaluate factors related to condom use with commercial sexual partners in workers from Ecuadorian companies.BMC public health · 2015Article
- Risk perception of sexually transmitted infections and HIV in Nigerian commercial sex workers in Barcelona: a qualitative study.BMJ open · 2015Article
- HIV prevention and care services for female sex workers: efficacy of a targeted community-based intervention in Burkina Faso.Journal of the International AIDS Society · 2015Article
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Authors and funding
11 authors at 7 institutions in 4 countries.
Funding
Abstract
backgroundA comprehensive, HIV prevention programme (Projet Sida1/2/3) was implemented among female sex workers (FSWs) in Cotonou, Benin, in 1993 following which condom use among FSWs increased threefold between 1993 and 2008 while FSW HIV prevalence declined from 53.3% to 30.4%.
objectiveEstimate the potential impact of the intervention on HIV prevalence/incidence in FSWs, clients and the general population in Cotonou, Benin. METHODS AND
findingsA transmission dynamics model parameterised with setting-specific bio-behavioural data was used within a Bayesian framework to fit the model and simulate HIV transmission in the high and low-risk population of Cotonou and to estimate HIV incidence and infections averted by SIDA1/2/3. Our model results suggest that prior to SIDA1/2/3 commercial sex had contributed directly or indirectly to 93% (84-98%) of all cumulative infections and that the observed decline in FSWs HIV prevalence was more consistent with the self-reported post-intervention increase in condom use by FSWs than a counterfactual assuming no change in condom use after 1993 (CF-1). Compared to the counterfactual (CF-1), the increase in condom use may have prevented 62% (52-71%) of new HIV infections among FSWs between 1993 and 2008 and 33% (20-46%) in the overall population.
conclusionsOur analysis provides plausible evidence that the post-intervention increase in condom use during commercial sex significantly reduced HIV prevalence and incidence among FSWs and general population. Sex worker interventions can be effective even in medium HIV prevalence epidemics and need to be sustained over the long-term.
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