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, Juan J Luque-Larena

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Tularemia in humans in northwestern Spain is associated with increases in vole populations. Prevalence of infection with Francisella tularensis in common voles increased to 33% during a vole population fluctuation. This finding confirms that voles are spillover agents for zoonotic outbreaks. Ecologic interactions associated with tularemia prevention should be considered.
Original languageEnglish
Pages (from-to)1377-1379
Number of pages3
JournalEmerging Infectious Diseases
Issue number8
Publication statusPublished - Aug 2017

Bibliographical note

Self Archiving;

J.J.L.L., F.M., and R.R.P. held official licenses for trapping wildlife in Spain. Capture permits were provided by the Dirección General del Medio Natural, Junta de Castilla y León.

This study was supported by projects ECOVOLE (grant CGL2012-35348), ECOTULA (grant CGL2015-66962-C2-1-R), and RESERTULA (grant CLG2015-66962-C2-2-R), which were funded by the Ministerio de Economía y Competitividad MINECO/FEDER, Spain. R.R.P. was supported by a PhD studentship from the University of Valladolid (co-funded by Banco Santander).


  • Francisella tularensis
  • Microtus
  • prevalence
  • density dependence
  • tularaemia outbreaks
  • Spain


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