Funding for this research was provided by:
Bundesministerium für Forschung und Technologie (01KI1002C)
Bundesministerium für Bildung und Forschung (01KI0765, 01KI1002F)
Deutsche Forschungsgemeinschaft (Project 251133687/ GRK 2046)
Horizon 2020 (773830)
Received: 8 June 2020
Accepted: 20 July 2020
First Online: 31 July 2020
Ethics approval and consent to participate
: All infection experiments in cats, chickens and CD-1 mice had been ethically approved (Landesdirektion Leipzig, Germany, trial no. TVV 29/10). Care and maintenance of animals were in accordance with governmental and institutional guidelines. All mouse bioassay experiments reported in this publication were approved by the “Landesamt für Landwirtschaft, Lebensmittelsicherheit und Fischerei” of the German Federal State of Mecklenburg-Western Pomerania (permit 7221.3-2.5-001/13). Care and maintenance of animals were in accordance with governmental and institutional guidelines.
: Not applicable.
: The authors declare that they have no competing interests.