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Quantitative assessment of a spatial multicriteria model for highly pathogenic avian influenza H5N1 in Thailand, and application in Cambodia

Paul Mathilde, Goutard Flavie, Roulleau Floriane, Holl Davun, Thanapongtharm Weerapong, Roger François, Tran Annelise. 2016. Quantitative assessment of a spatial multicriteria model for highly pathogenic avian influenza H5N1 in Thailand, and application in Cambodia. Scientific Reports, 6 (31096):31096, 10 p.

Journal article ; Article de recherche ; Article de revue à facteur d'impact Revue en libre accès total
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Quartile : Q1, Sujet : MULTIDISCIPLINARY SCIENCES

Abstract : The Highly Pathogenic Avian Influenza H5N1 (HPAI) virus is now considered endemic in several Asian countries. In Cambodia, the virus has been circulating in the poultry population since 2004, with a dramatic effect on farmers' livelihoods and public health. In Thailand, surveillance and control are still important to prevent any new H5N1 incursion. Risk mapping can contribute effectively to disease surveillance and control systems, but is a very challenging task in the absence of reliable disease data. In this work, we used spatial multicriteria decision analysis (MCDA) to produce risk maps for HPAI H5N1 in poultry. We aimed to i) evaluate the performance of the MCDA approach to predict areas suitable for H5N1 based on a dataset from Thailand, comparing the predictive capacities of two sources of a priori knowledge (literature and experts), and ii) apply the best method to produce a risk map for H5N1 in poultry in Cambodia. Our results showed that the expert-based model had a very high predictive capacity in Thailand (AUC = 0.97). Applied in Cambodia, MCDA mapping made it possible to identify hotspots suitable for HPAI H5N1 in the Tonlé Sap watershed, around the cities of Battambang and Kampong Cham, and along the Vietnamese border. (Résumé d'auteur)

Mots-clés Agrovoc : Influenzavirus aviaire, Épidémiologie, Modèle de simulation, Modèle mathématique, Analyse du risque, Cartographie, Aviculture, Volaille, Transmission des maladies, Analyse quantitative, Gestion du risque, Surveillance épidémiologique, Grippe aviaire

Mots-clés géographiques Agrovoc : Thaïlande, Cambodge

Mots-clés libres : HPAI H5N1, MCDA, South East Asia

Classification Agris : L73 - Animal diseases
U10 - Computer science, mathematics and statistics

Champ stratégique Cirad : Axe 4 (2014-2018) - Santé des animaux et des plantes

Auteurs et affiliations

  • Paul Mathilde, ENVT (FRA)
  • Goutard Flavie, CIRAD-ES-UPR AGIRs (THA)
  • Roulleau Floriane, ENVT (FRA)
  • Holl Davun, NAVRI (KHM)
  • Thanapongtharm Weerapong, Department of Livestock Development (THA)
  • Roger François, CIRAD-ES-UPR AGIRs (THA) ORCID: 0000-0002-1573-6833
  • Tran Annelise, CIRAD-ES-UPR AGIRs (REU) ORCID: 0000-0001-5463-332X

Source : Cirad-Agritrop (https://agritrop.cirad.fr/581309/)

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