Complementary roles of wild boar and red deer to animal tuberculosis maintenance in multi-host communities
Resumen: The contribution of wildlife species to pathogen maintenance in multi-host communities has seldom been quantified. To assess the relative contribution of the main wildlife hosts of animal tuberculosis (TB) to its maintenance, we estimated the basic reproduction number (R0) of Mycobacterium tuberculosis complex in wild boar and red deer at 29 sites in the Iberian Peninsula. Host abundance and true TB prevalence were estimated for each species at each site by sampling from distributions incorporating the uncertainty in the proportion of the population harvested each year, sensitivity, and specificity of the diagnostic methods, while excretion of mycobacteria was estimated using site-occupancy models. The distributions of these parameters were then used to estimate, at each site, the R0,wild boar (range 0.1 – 55.9, average 8.7, standard deviation 11.8), and the R0,red deer (0.1 – 18.9, 2.2, 3.9). Animal TB is maintained in epidemiological scenarios ranging from any single species acting as a maintenance host (the wild boar in 18 sites and the red deer in 5), to facultative multi-host disease (6 sites). The prevalence of TB in the red deer is likely an important driver of the epidemiology in multi-host communities. The wild boar was the main maintenance host of TB in most of the study sites and could have an epidemiological role linking the wildlife multi-host community and livestock.
Idioma: Inglés
DOI: 10.1016/j.epidem.2022.100633
Año: 2022
Publicado en: EPIDEMICS 41 (2022), 100633 [11 pp.]
ISSN: 1755-4365

Tipo y forma: Article (Published version)
Área (Departamento): Área Sanidad Animal (Dpto. Patología Animal)

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