Biomathematics and Statistics Scotland (BIOSS), Edinburgh, United Kingdom.|Biomathematics and Statistics Scotland (BIOSS), Edinburgh, United Kingdom.|Biomathematics and Statistics Scotland (BIOSS), Edinburgh, United Kingdom.|SRUC, Edinburgh, United Kingdom.|Environment Department, University of York, York, United Kingdom.|Laboratory of Microbiology and Parasitology, Faculty of Veterinary Medicine, University of Thessaly, Karditsa, Greece.|School of Veterinary Medicine and Science, University of Nottingham, Nottingham, United Kingdom.|The Vector-Borne Viral Diseases Programme, The Pirbright Institute, Surrey, United Kingdom.|National Veterinary Institute (SVA), Uppsala, Sweden.|SRUC, Edinburgh, United Kingdom.