Safety and immune responses after intradermal application of Porcilis PRRS in either the neck or the perianal region. oleh Julia Stadler, Lena Naderer, Lisa Beffort, Mathias Ritzmann, Daniela Emrich, Walter Hermanns, Kerstin Fiebig, Armin Saalmüller, Wilhelm Gerner, Bernadette Glatthaar-Saalmüller, Andrea Ladinig