1. Departament de Sanitat i Anatomia Animals Universitat Autònoma de Barcelona Bellaterra Spain
2. IRTACentre de Recerca en Sanitat Animal (CReSA, IRTA‐UAB) Bellaterra Spain
3. OIE Collaborating Centre for the Research and Control of Emerging and Re‐emerging Swine Diseases in Europe (IRTA‐CReSA) Bellaterra Spain
4. Departament d’Agricultura, Ramaderia, Pesca i Alimentació de la Generalitat de Catalunya Barcelona Spain
5. National Veterinary Services Laboratories United States Department of Agriculture Ames IA USA