Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (31003A_122566)
Ministère de l'Education Nationale, de l'Enseignement Superieur et de la Recherche
Centre National de la Recherche Scientifique
Region Rhône Alpes (Explora'Doc)
Text and Data Mining valid from 2018-06-19
Received: 20 December 2017
Accepted: 30 May 2018
First Online: 19 June 2018
Ethics approval and consent to participate
: Sampling fleas from old passerine nests is not subject to specific authorization from Ethical committees in Sweden. Collection of specimens used in this study complied with institutional and national guidelines in Sweden, France and Switzerland.
: The authors declare that they have no competing interests.
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