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

Mady Cissoko, Issaka Sagara, Moussa H. Sankaré, Sokhna Dieng, Abdoulaye Guindo, Zoumana Doumbia, Balam Allasseini, Diahara Traore, Seydou Fomba, Marc Karim Bendiane, Jordi Landier, Nadine Dessay and Jean Gaudart
Additional contact information
Mady Cissoko: Malaria Research and Training Center—Ogobara K. Doumbo (MRTC-OKD), FMOS-FAPH, Mali-NIAID-ICER, Université des Sciences, des Techniques et des Technologies de Bamako, Bamako 1805, Mali
Issaka Sagara: Malaria Research and Training Center—Ogobara K. Doumbo (MRTC-OKD), FMOS-FAPH, Mali-NIAID-ICER, Université des Sciences, des Techniques et des Technologies de Bamako, Bamako 1805, Mali
Moussa H. Sankaré: Direction Régionale de la Santé de Tombouctou, Tombouctou 59, Mali
Sokhna Dieng: Aix Marseille Université (AMU), Institut national de la santé et de la recherche médicale (INSERM), Institut de Recherche pour le Développement (IRD), 13005 Marseille, France
Abdoulaye Guindo: Malaria Research and Training Center—Ogobara K. Doumbo (MRTC-OKD), FMOS-FAPH, Mali-NIAID-ICER, Université des Sciences, des Techniques et des Technologies de Bamako, Bamako 1805, Mali
Zoumana Doumbia: Direction Régionale de la Santé de Tombouctou, Tombouctou 59, Mali
Balam Allasseini: Direction Régionale de la Santé de Tombouctou, Tombouctou 59, Mali
Diahara Traore: Programme National de la Lutte contre le Paludisme (PNLP Mali), Bamako 233, Mali
Seydou Fomba: Programme National de la Lutte contre le Paludisme (PNLP Mali), Bamako 233, Mali
Marc Karim Bendiane: Aix Marseille Université (AMU), Institut national de la santé et de la recherche médicale (INSERM), Institut de Recherche pour le Développement (IRD), 13005 Marseille, France
Jordi Landier: Aix Marseille Université (AMU), Institut national de la santé et de la recherche médicale (INSERM), Institut de Recherche pour le Développement (IRD), 13005 Marseille, France
Nadine Dessay: ESPACE-DEV, UMR228 IRD/UM/UR/UG/UA, Institut de Recherche pour le Développement (IRD), 34093 Montpellier, France
Jean Gaudart: Malaria Research and Training Center—Ogobara K. Doumbo (MRTC-OKD), FMOS-FAPH, Mali-NIAID-ICER, Université des Sciences, des Techniques et des Technologies de Bamako, Bamako 1805, Mali

IJERPH, 2020, vol. 17, issue 11, 1-16

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.

Keywords: malaria; hotspot and incidence; spatio-temporal analysis; environment and meteorology; geo-epidemiology (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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