A Shift in Porcine Circovirus 3 (PCV-3) History Paradigm : Phylodynamic Analyses Reveal an Ancient Origin and Prolonged Undetected Circulation in the Worldwide Swine Population - Franzo, Giovanni (University of Padua. Department of Animal Medicine. Production and Health) ; He, W. (Nanjing Agricultural University. MOE International Joint Collaborative Research Laboratory for Animal Health & Food Safety) ; Correa-Fiz, Florencia (Institut de Recerca i Tecnologia Agroalimentàries. Centre de Recerca en Sanitat Animal) ; Li, G. (Nanjing Agricultural University. MOE International Joint Collaborative Research Laboratory for Animal Health & Food Safety) ; Legnardi, M. (University of Padua. Department of Animal Medicine, Production and Health) ; Su, S. (Nanjing Agricultural University. MOE International Joint Collaborative Research Laboratory for Animal Health & Food Safety) ; Segalés Coma, Joaquim (Universitat Autònoma de Barcelona. Departament de Sanitat i d'Anatomia Animals)