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Geo-Epidemiology of Malaria at the Health Area Level, Dire Health District, Mali, 2013–2017

Abstract : Background: According to the World Health Organization, there were more than 228 million cases of malaria globally in 2018, with 93% of cases occurring in Africa; in Mali, a 13% increase in the number of cases was observed between 2015 and 2018; this study aimed to evaluate the impact of meteorological and environmental factors on the geo-epidemiology of malaria in the health district of Dire, Mali. Methods: Meteorological and environmental variables were synthesized using principal component analysis and multiple correspondence analysis, the relationship between malaria incidence and synthetic indicators was determined using a multivariate general additive model; hotspots were detected by SaTScan. Results: Malaria incidence showed high inter and intra-annual variability; the period of high transmission lasted from September to February; health areas characterized by proximity to the river, propensity for flooding and high agricultural yield were the most at risk, with an incidence rate ratio of 2.21 with confidence intervals (95% CI: 1.85-2.58); malaria incidence in Dire declined from 120 to 20 cases per 10,000 person-weeks between 2013 and 2017. Conclusion: The identification of areas and periods of high transmission can help improve malaria control strategies.
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https://www.hal.inserm.fr/inserm-03081040
Contributor : Christine Dupuis <>
Submitted on : Friday, December 18, 2020 - 8:09:38 AM
Last modification on : Saturday, December 19, 2020 - 3:39:24 AM

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Mady Cissoko, Issaka Sagara, Moussa Sankaré, Sokhna Dieng, Abdoulaye Guindo, et al.. Geo-Epidemiology of Malaria at the Health Area Level, Dire Health District, Mali, 2013–2017. International Journal of Environmental Research and Public Health, MDPI, 2020, 17 (11), pp.3982. ⟨10.3390/ijerph17113982⟩. ⟨inserm-03081040⟩

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