ArticleScience in One Health2025
Integration of sentinel surveillance and climate factors to accelerate malaria elimination in a changing climate of Senegal.
Article in Science in One Health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Digital Health Center App for Community and National Malaria Surveillance in Cambodia: Implementation Case Study.JMIR public health and surveillance · 2026Article
- Climate change and infectious diseases: breaking the poverty-disease-environment trap.Infectious diseases of poverty · 2026Article
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10 authors.
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Abstract
Background: Senegal is located in a malaria-endemic zone. Malaria is a highly climate-sensitive vector-borne disease, yet its sentinel surveillance shows a weak integration of malaria morbidity data with climatic factors. Therefore, it is useful to analyse the correlation between these factors in Senegal from 2012 to 2019. Methods: An analytical cross-sectional study of malaria incidence rate (MIR) with its climatic factors from 2012 to 2019 was carried out. This was followed by predictive modelling of MIR and its climatic factors from 2020 to 2023. A reconstituted database, incorporating data from National Malaria Control Program (initiated by Ministry of Health) and National Agency for Civil Aviation and Meteorology, enabled a multi-variate analysis through a vector auto regression approach using Results: MIR evolved in three phases: initially almost zero from January to May, then gradually increases with an accentuation in August-September, and finally gradually decreases from November to December. However, unlike Podor (0.11 ‰), MIR heterogeneity was seen in Kédougou (12.55 ‰) and Bakel (7.34 ‰). Apart from wind strength and mean temperature which moved in the opposite directions, all other climatic factors evolved in the same dynamics as MIR. MIR followed changes in rainfall and hygrometry with an average lag of (2.5 ± 1.0) months and (1.0 ± 0.5) months, respectively. The causal links between MIR and rainfall showed a decreasing trend in Dakar ( Conclusion: This study highlights the importance of synchronous, multi-sectoral, and integrated surveillance of malaria alongside climatic factors to more effectively meet pre-elimination requirements in Senegal.
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