1. ANSES, Ploufragan-Plouzané Laboratory, Swine Virology Immunology Unit, BP53, Ploufragan, France
2. Bretagne Loire University, Rennes, France
3. ANSES, Ploufragan-Plouzané Laboratory, Viral Genetic and Biosecurity Unit, BP53, Ploufragan, France
4. Institute of Diagnostic Virology, Friedrich Loeffler Institute, Greifswald-Insel Riems, Germany