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Communication Dans Un Congrès Année : 2022

How to effectively prevent rabies incursion through dog and cat movements in rabies free areas? A modeling study

Résumé

1. Objective(s): Rabies introductions in areas free of terrestrial rabies, especially through dog and cat movements, pose a threat by exposing local animal and human populations and because of the possibility of a subsequent spread. Several management measures can be implemented to reduce the introduction probability, such as anti-rabies pet vaccination, serological test to assess efficacy of the vaccination or a waiting period before importation (to ensure that antibodies are linked to the vaccine and not infectious). The interest of these measures which follow current regulatory prescriptions remains to be studied. 2. Materials and methods: Through a stochastic modeling approach using scenario trees, with the baseline case of France, we quantitatively assessed the risk of rabies introduction in a rabies-free area through pet movements and the impact of previously mentioned management measures aiming at reducing rabies risk along with the associated compliance. 3. Results: Vaccination contributed the most to risk reduction (16-fold risk increase when removed) while serological test had a moderate impact (2-fold risk increase when removed) (Figure 1). The waiting period had a negligible impact on rabies risk reduction. Lack of compliance (especially regarding vaccination) also contributed to increase the risk. 4. Conclusion: Results indicated that vaccination was the most important measure of the current regulation. Promoting respect of this measure thus appears crucial. Promoting serological testing for high risk countries is probably secondary and the waiting period before importations could be reconsidered due to its negligible impact (in addition to low acceptability).
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Dates et versions

hal-04390121 , version 1 (12-01-2024)

Identifiants

  • HAL Id : hal-04390121 , version 1

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Guillaume Crozet, Julie Rivière, Elisa Rapenne, Florence Cliquet, Emmanuelle Robardet, et al.. How to effectively prevent rabies incursion through dog and cat movements in rabies free areas? A modeling study. 16th International Symposium of Veterinary Epidemiology and Economics, Aug 2022, Halifax, Canada. ⟨hal-04390121⟩

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