1. Institut für Virologie Robert von Ostertag‐HausZentrum für InfektionsmedizinFreie Universität Berlin Berlin Germany
2. Department of Virology Faculty of Veterinary Medicine Zagazig University Zagazig Egypt
3. Department of Pathology Faculty of Veterinary Medicine Zagazig University Zagazig Egypt
4. Department of Gynecology and Artificial Insemination Faculty of Veterinary Medicine Zagazig University Zagazig Egypt
5. Department of Wildlife Diseases Leibniz‐Institute for Zoo and Wildlife Research Berlin Germany