Density-Dependent Prevalence of Francisella tularensis in Fluctuating Vole Populations, Northwestern Spain
Ruth Rodríguez-Pastor, Raquel Escudero, Dolors Vidal, François Mougeot, Beatriz Arroyo, Xavier Lambin, Ave Maria Vila-Coro, Isabel Rodríguez-Moreno, Pedro Anda, and Juan J. Luque-Larena
Author affiliations: Universidad de Valladolid, Palencia, Spain (R. Rodríguez-Pastor, J.J. Luque-Larena); Instituto Universitario de Investigación en Gestión Forestal Sostenible, Palencia (R. Rodríguez-Pastor, J.J. Luque-Larena); Instituto de Salud Carlos III, Madrid, Spain (R. Escudero, A.M. Vila-Coro, I. Rodríguez-Moreno, P. Anda); Universidad de Castilla-La Mancha, Ciudad Real, Spain (D. Vidal); Instituto de Investigación en Recorsosos Cinégeticos del Consejo Superior de Investigaciones Científicas, Ciudad Real (F. Mougeot, B. Arroyo); University of Aberdeen, Aberdeen, Scotland, UK (X. Lambin)
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Figure
Figure. Vole abundance and tularemia prevalence, northwestern Spain. A) Temporal variations in vole abundance (no. captures/100 traps/24 h) and tularemia prevalence. Four voles were tested in March 2013, 15 in July 2013, 32 in November 2013, 63 in March 2014, 102 in July 2014, 19 in November 2014, and 8 in March 2015. B) Relationship between tularemia prevalence and vole abundance. Histograms show number of positive (top) or negative (bottom) voles sampled at each level of vole density. Curved line indicates a generalized linear model result.
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