Affiliation: | 1.Institut für Infektionsmedizin, Friedrich-Loeffler-Institut, D-17493 Greifswald, Germany; (B.A.T.); (K.F.);2.Institut für Immunologie, Friedrich-Loeffler-Institut, D-17493 Greifswald, Germany; (A.K.); (J.K.);3.Department of Pathobiology, Institute of Virology, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; |