1 Friedrich-Loeffler-Institut (Federal Research Institute for Animal Health) Institute of Molecular Pathogenesis Naumburger Str. 96a 07743 Jena, Germany; Anses, Animal Health Laboratory, Bacterial Zoonoses Unit University Paris-Est 23, avenue du général de Gaulle 94706 Maisons-Alfort, France. Electronic address: konrad.sachse@fli.bund.de.
2 Friedrich-Loeffler-Institut (Federal Research Institute for Animal Health) Institute of Molecular Pathogenesis Naumburger Str. 96a 07743 Jena, Germany; Anses, Animal Health Laboratory, Bacterial Zoonoses Unit University Paris-Est 23, avenue du général de Gaulle 94706 Maisons-Alfort, France.