Prof. Giovanni Di Guardo, DVM, Dipl. ECVP, retired, graduated in Veterinary Medicine in 1982, cum laude, at the University of Bologna, Italy. In 1995, he was appointed a “Diplomate of the European College of Veterinary Pathologists” (Dipl. ECVP). Since 2002, he has been an Associate Professor, teaching “General Pathology and Veterinary Pathophysiology”, at the Faculty of Veterinary Medicine, University of Teramo, Italy. His main research interests include comparative neuropathology, with special emphasis on prion diseases (especially sheep and goat Scrapie), as well as aquatic mammals' pathology. Prof. Di Guardo has authored/coauthored over 500 scientific papers, 210 of which published in international, peer-reviewed Journals, including top-ranking ones (Nature, Science, Science Advances, New England Journal of Medicine, BMJ, BMJ Global Health, Alzheimer's & Dementia, Autophagy, Frontiers in Immunology, PLoS Pathogens, Scientific Reports, Journal of Virology, Journal of Clinical Microbiology, Emerging Infectious Diseases, Proceedings of the Royal Society B, Environmental Research, Emerging Microbes and Infections, etc.).