Acknowledgements
The authors thank the veterinary practitioners for contributing to this
study,the AFVAC (Association Française des Animaux de Compagnie) and the
SNVEL of region Ile de France for their help. We are also grateful to Dr
Meriadeg Le Gouil and Pr Astrid Vabret for helpful discussions. We thank
Damien Hoinard for the technical support provided for the serological
analysis.