Generation and In-Vivo Evaluation of Porcine Epidemic Diarrhoea Virus Chimera Carrying the Spike Protein of Porcine Transmissible Gastroenteritis Virus. (January 2020) - Kristen, C.B.; Rogger, P.; Veiga, I.B.; Ebert, N.; Sautter, C.; Stalder, H.; Posthaus, H.; Ruggli, N.; Tekes, G.; Thiel, V.