1. Anses, Hygiene and Quality of Poultry and Pig Products Unit, BP53, Site des Croix, Ploufragan, France
2. European University of Brittany, Rennes, France
3. Anses, Viral Genetics and Biosafety Unit, BP 53, Site des Croix, Ploufragan, France
4. Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris-Sud, Gif-sur-Yvette, France