ArticlePLoS neglected tropical diseases2026
The cost-effectiveness of Wolbachia-based biocontrol interventions for dengue: A scoping review of the available evidence.
Article in PLoS neglected tropical diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
6 authors.
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Abstract
backgroundDengue incidence has increased sharply worldwide, placing nearly half of the global population at risk. In response, various innovative technologies and interventions, including biocontrol strategies that deploy Wolbachia-infected mosquitoes, are being explored. These can be used to either replace the existing mosquito population with one that is less likely to transmit infection or to suppress the existing mosquito population. We conducted a scoping review of economic evaluations of Wolbachia-based interventions for dengue control, aimed at summarising assumptions and results of existing studies. METHODOLOGY/PRINCIPAL
findingsA scoping review of the published literature was conducted on the 29th of April 2024 using the MEDLINE (via OVID), Embase Classic+Embase (via OVID), Global Health - OVID, PubMed, and Econ Lit electronic databases. No date or language restrictions were applied to the searches. We identified nine studies that reported the results of economic evaluations of Wolbachia-based interventions for dengue control. The majority (eight out of nine studies) investigated Wolbachia replacement-based programmes. Overall, the results were supportive for the use of replacement-based programmes in large urban settings, with the intervention likely to generate cost savings from a societal perspective. CONCLUSIONS/SIGNIFICANCE.: The available economic evaluations consistently suggest that Wolbachia-based replacement interventions can be cost-effective for dengue control when targeted to densely populated urban areas, and several studies indicate that they can generate substantial long‑term cost savings from a societal perspective. Further research is needed to understand how heterogeneity in epidemiological effectiveness influences long-term projected cost‑effectiveness and to investigate the combination of Wolbachia-based interventions with other dengue control/prevention measures (such as vaccination). To support more robust and comparable analyses, we provide recommendations for future studies in this area, emphasising the importance of reporting results disaggregated by cost and outcome components, and making important underlying assumptions related to the intervention more explicit.
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