Marquetoux N., Paul Mathilde, Wongnarkpet Sirichai, Poolkhet Chaithep, Thanapongtharm Weerapong, Roger François, Ducrot Christian, Chalvet-Monfray Karine. 2012. Estimating spatial and temporal variations of the reproduction number for highly pathogenic avian influenza H5N1 epidemic in Thailand. Preventive Veterinary Medicine, 106 (2), spéc. : 143-151.
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Quartile : Q1, Sujet : VETERINARY SCIENCES
Résumé : Since 2003, highly pathogenic avian influenza (HPAI) H5N1 virus has spread, causing a pandemic with serious economic consequences and public health implications. Quantitative estimates of the spread of HPAI H5N1 are needed to adapt control measures. This study aimed to estimate the variations of the reproduction number R in space and time for the HPAI H5N1 epidemic in Thailand. Transmission between sub-districts was analyzed using three different and complementary methods. Transmission of HPAI H5N1 was intense (R(t) > 1) before October 2004, at which point the epidemic started to progressively fade out (R(t) < 1). The spread was mainly local, with 75% of the putative distances of transmission less than 32 km. The map of the mean standardized ratio of transmitting the infection (sr) showed sub-districts with a high risk of transmitting infection. Findings from this study can contribute to discussions regarding the efficacy of control measures and help target surveillance programs.
Mots-clés Agrovoc : Influenzavirus aviaire, dynamique des populations, reproduction, évaluation du risque, épidémiologie, contrôle de maladies, surveillance épidémiologique
Mots-clés géographiques Agrovoc : Thaïlande
Classification Agris : L73 - Maladies des animaux
Champ stratégique Cirad : Axe 4 (2005-2013) - Santé animale et maladies émergentes
Auteurs et affiliations
- Marquetoux N., ENSV (FRA)
- Paul Mathilde, INRA (FRA)
- Wongnarkpet Sirichai, Kasetsart University (THA)
- Poolkhet Chaithep, Kasetsart University (THA)
- Thanapongtharm Weerapong, Department of Livestock Development (THA)
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Roger François, CIRAD-ES-UPR AGIRs (THA)
ORCID: 0000-0002-1573-6833
- Ducrot Christian, INRA (FRA)
- Chalvet-Monfray Karine, ENSV (FRA)
Autres liens de la publication
Source : Cirad - Agritrop (https://agritrop.cirad.fr/565321/)
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