ArticleBMC public health2025
Spatiotemporal patterns and climate-induced macroeconomic burden of malaria in sub-Saharan Africa.
Article in BMC public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Recent advances in machine learning and Bayesian modeling for tropical disease prediction, diagnosis, and risk analysis: a scoping review.BMC infectious diseases · 2026Article
- Impact of environmental and socioeconomic factors on the prevalence of and DALYs due to cutaneous leishmaniasis globally from 1990 to 2021 based on remote sensing and GIS technologies.Parasites & vectors · 2026Article
- Analysis of clinical malaria hotspots according to transmission levels in two health areas of the Kolondieba health district, Mali.MalariaWorld journal · 2026Article
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7 authors.
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Abstract
backgroundThe global malaria burden is characterized by economic, geographical, and climatic disparities, especially in sub-Saharan Africa (SSA). Moreover, meteorological factors have become increasingly important to understand the malaria burden in SSA in the context of climate change.
methodsValue of Statistical Life Year (VSL) and machine learning are proposed to jointly assess the weather-induced economic burden of malaria in SSA from 2000 to 2022. Geographic information systems (GIS) are employed to examine the spatial autocorrelation of malaria burden and address the issues of spatiotemporal heterogeneity. Finally, the uncertainty in the relationship between weather patterns and malaria burden was tested for robustness using Bayesian statistics.
resultsMalaria mortality in SSA has decreased by 30 per 100,000 incidences annually from 2000 to 2022. The macroeconomic burden of malaria accounts for 1.58% of the total GDP in SSA, equating to USD 497.06 billion (95% CI, [418.38, 553.56]), with weather conditions contributing 60% of the economic burden. The climate-related macroeconomic burden of malaria mortality varies dramatically across regions, with East Africa bearing the highest cost at USD 195.90 billion, followed by Central Africa (57.36 billion), West Africa (30.43 billion), and Southern Africa (1.81 billion). Besides, there is notable autocorrelation and spatial heterogeneity in malaria patterns. East Africa has a high malaria burden and is climate vulnerable. For every 1 °C increase in temperature in SSA, the number of malaria incidences will rise by 16.30 [95% Credible Interval (CrI), (13.88, 18.61)] per 1,000 incidences, while malaria-related deaths per 100,000 incidences will increase by 5.79 [95% CrI, (4.90, 6.74)].
conclusionsRising temperatures have increased the burden of malaria, especially in East and Central Africa. Climate change also indirectly increases the economic burden associated with malaria, which could put enormous pressure on government health budgets. Therefore, local governments in East Africa should adopt measures to cope with climate warming and allocate resources rationally to achieve the goal of malaria elimination by 2030.
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