ArticleMalaria journal2023
Implication of agricultural practices in the micro-geographic heterogeneity of malaria transmission in Bouna, Côte d'Ivoire.
Article in Malaria journal, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 15 citations in OpenAlex.
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- Household and community-based approaches to malaria and cholera prevention: A narrative review with case studies from Uganda and Mozambique.PLoS neglected tropical diseases · 2026Review
- Knowledge, attitudes, practices and determinants of mosquito repellent use for malaria prevention in Nangabo Ward, Wakiso District, Uganda.Malaria journal · 2025Article
- Seroprevalence of anti-SARS-CoV-2 and anti-Plasmodium falciparum and vivax antibodies in urban and rural zones in the West Region of Cameroon.BMC infectious diseases · 2025Article
- Reduction in Asymptomatic falciparum malaria infection amongst schoolchildren in three ecological zones of Ghana between 2017 and 2023.Scientific reports · 2025Article
- Temporal and spatial trends of the prevalence of infections caused by Plasmodium parasites among rural community members in three regions with varying transmission intensities in Mainland Tanzania.Malaria journal · 2025Article
- Larval habitat diversity, physicochemical characteristics and their effect on the larval density of malaria vectors in the city of Accra, Ghana.Malaria journal · 2025Article
- Patterns of patent and sub-patent Plasmodium falciparum infections in household members of children under seasonal malaria chemoprevention coverage in the health district of Nanoro, Burkina Faso.Malaria journal · 2025Article
- Urban malaria in Accra, Ghana: transmission risk and influence of irrigated vegetable farms.BMC infectious diseases · 2025Article
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9 authors at 6 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundWetlands and irrigated agricultural crops create potential breeding sites for Anopheles mosquitoes, leading to a heterogeneity in malaria transmission. In agricultural areas, heterogeneity of malaria transmission is often associated with the presence of hotspots consisting of localized clusters of higher transmission intensity. This study aims to identify micro-geographic hotspots of malaria transmission in an agricultural setting using a multidisciplinary approach.
methodsTwo cross-sectional surveys were conducted at the end of the dry season and at the peak of the rainy season in rural and urban sites in Bouna, northeastern Côte d'Ivoire. A total of 296 individuals from 148 farming households were randomly selected and sociological, geographical, entomological, and clinical data as well as blood samples were collected during each visit. Parasitological data and Anopheles exposure (measured using entomological and immunological methods) were compared with demographic, agricultural, and geographic data to identify drivers of malaria transmission. Heat maps combining these data were used to identify households with ongoing malaria transmission throughout the year.
resultsIn rural areas, Plasmodium prevalence was consistent between the dry and the rainy seasons, with roughly half of the population infected. In urban areas, malaria transmission indicators were lower, with a parasite prevalence of less than 20%, which remained comparable between the dry and the rainy season. The presence of irrigated crops and proximity to wetlands were associated with increased Anopheles exposure. By mapping Plasmodium infection and Anopheles exposure, two different types of hotspots of malaria transmission were identified: micro-geographical scale and local scale hotspots.
conclusionsThe presence of wetlands in urban areas and irrigated agriculture in rural areas resulted in heterogeneity in malaria transmission on a micro-geographical scale. These specific households present particular risk of malaria transmission and could fuel malaria transmission in surrounding households. The identification of micro-geographical areas using heat maps combining several epidemiological parameters can help to identify hotspots of malaria transmission. The implementation of malaria control measures, such as seasonal chemoprophylaxis or vector control, in these areas could help to reduce the incidence of malaria and facilitate its elimination.
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