Feasibility and effectiveness of tailored interventions for two populations at high-risk of malaria in Senegal: Koranic school children and gold miners

Sarah Gallalee, Demba Kande, Tidiane Thiam, Henry Ntuku, Caterina Guinovart, Laura Merriman, Abiboulaye Sall, Moustapha Cissé, Aichatou Barry Diouf, Mamadou Diop, Baba Camara, Niene Seck, Faith De Amaral, Roly Gosling, Bryan Greenhouse, Yakou Dieye, Jennifer Smith and Adam Bennett

PLOS Global Public Health, 2025, vol. 5, issue 4, 1-17

Abstract: Senegal has made significant progress in reducing the malaria burden over the last decade. However, malaria remains a major cause of morbidity in some regions and key challenges exist among high-risk populations who have high exposure to mosquitos, but low coverage and use of vector control measures and limited access to healthcare. Two identified high-risk populations are goldminers and talibés (Koranic school students). We conducted a controlled pre/post survey to measure the impact of targeted malaria interventions, including expansion of active community case management and distribution of LLINs, on reported LLIN usage and Plasmodium falciparum infection prevalence at mining sites and Koranic schools (daaras) during the high transmission season in Senegal. We randomly assigned four health facility catchment areas in Kaolack (a city with many daaras) and four in Saraya (a district with gold mining sites) to intervention or control groups. Surveys were conducted pre (Oct 2021; n = 1740 talibés and gold miners) and post (Feb 2022; n = 2200) delivery of the intervention package to assess intervention coverage and infection prevalence by rapid diagnostic test and qPCR. We compared infection prevalence and self-reported LLIN usage, by group and arm, between the two time periods using a difference in difference framework with binomial generalized linear mixed models. Among the talibés, the package of interventions was associated with an adjusted 12.6-percentage point relative reduction in RDT-derived malaria prevalence (p

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pgph00:0004569

DOI: 10.1371/journal.pgph.0004569

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