1. Department of Veterinary Sciences, University of Torino, largo Paolo Braccini 2, 10095 Grugliasco, Torino, Italy
2. Department of Biodiversity and Molecular Ecology, Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38010 San Michele all’Adige, Trento, Italy
3. Laboratory of Arboviruses and Viral Imported Diseases, Institute of Health ‘Carlos III’, Ctra Pozuelo-Majadahonda, Km 2, 28220 Majadahonda, Madrid, Spain
4. Electron Microscopy Department, National Center of Microbiology, Institute of Health ‘Carlos III’, Ctra Pozuelo-Majadahonda, Km 2, 28220 Majadahonda, Madrid, Spain
5. Laboratory of Parasitology, Istituto Zooprofilattico Sperimentale delle Venezie, viale dell’Università 10, 35020 Legnaro, Padova, Italy