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The environmental drivers of bacterial meningitis epidemics in the Democratic Republic of Congo, central Africa

Abstract : Bacterial meningitis remains an international public health threat. The most affected area worldwide is the Sahelian region between Senegal and Ethiopia called the meningitis belt. In parallel recurrent epidemics have also occurred out of the belt in Africa for the last twenty years. While environmental, socioeconomic and demographic factors are well described to explain the epidemiology of meningitis in the belt, very few studies have focused on the role of these factors to understand meningitis epidemics outside of the belt. Based on epidemiological, socio-economic, demographic and environmental data collected for the period 2000-2018 in the Democratic Republic of Congo (DRC), we used different statistical methods to explore the links between meningitis cases and the different explored factors. Our results showed that urbanized areas where populations have a low economic index of well-being, high latitude and longitude eastwards, medium to low altitude level, savannah-type vegetation, medium temperature value, are risk factors of meningitis outbreaks from North to South in the DRC. This information is important to help improving meningitis control strategies in a large country located outside the so-called meningitis belt.
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https://hal.inrae.fr/hal-03014262
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Submitted on : Thursday, November 19, 2020 - 12:44:16 PM
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Serge Mazamay, Hélène Broutin, Didier Bompangue, Jean-Jacques Muyembe, Jean-François Guégan. The environmental drivers of bacterial meningitis epidemics in the Democratic Republic of Congo, central Africa. PLoS Neglected Tropical Diseases, Public Library of Science, 2020, 14 (10), ⟨10.1371/journal.pntd.0008634⟩. ⟨hal-03014262⟩

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