Identification of risk areas for avian influenza outbreaks in domestic poultry in Mali using the GIS-MCDA approach - Interactions hôtes-agents pathogènes
Article Dans Une Revue Epidemiology and Infection Année : 2024

Identification of risk areas for avian influenza outbreaks in domestic poultry in Mali using the GIS-MCDA approach

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Mali is a country where little information is known about the circulation of avian influenza viruses (AIVs) in poultry. Implementing risk-based surveillance strategies would allow early detection and rapid control of AIVs outbreaks in the country. In this study, we implemented a multi-criteria decision analysis (MCDA) method coupled with geographic information systems (GIS) to identify risk areas for AIVs occurrence in domestic poultry in Mali. Five risk factors associated with AIVs occurrence were identified from the literature, and their relative weights were determined using the analytic hierarchy process (AHP). Spatial data were collected for each risk factor and processed to produce risk maps for AIVs outbreaks using a weighted linear combination (WLC). We identified the southeast regions (Bamako and Sikasso) and the central region (Mopti) as areas with the highest risk of AIVs occurrence. Conversely, northern regions were considered low-risk areas. The risk areas agree with the location of HPAI outbreaks in Mali. This study provides the first risk map using the GIS-MCDA approach to identify risk areas for AIVs occurrence in Mali. It should provide a basis for designing risk-based and more cost-effective surveillance strategies for the early detection of avian influenza outbreaks in Mali.
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hal-04814385 , version 1 (02-12-2024)

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Idrissa Nonmon Sanogo, Maxime Fusade-Boyer, Sophie Molia, Ousmane A Koita, Christelle Camus, et al.. Identification of risk areas for avian influenza outbreaks in domestic poultry in Mali using the GIS-MCDA approach. Epidemiology and Infection, 2024, 152, pp.e152. ⟨10.1017/s0950268824001390⟩. ⟨hal-04814385⟩
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