1. Anses, Sophia‐Antipolis Laboratory Unit of Honey Bee Pathology Sophia Antipolis France
2. Department of Ecology Swedish University of Agricultural Sciences Uppsala Sweden
3. Federal Research Institute for Animal Health Friedrich‐Loeffler‐Institut Greifswald Insel Riems Germany
4. Anses, Ploufragan‐Plouzané‐Niort Laboratory Unit of Viral Genetics and Biosafety Ploufragan France
5. Department of Microbiology National Veterinary Institute Uppsala Sweden