1. Faculty of Veterinary Medicine Department of Virology Ondokuz Mayıs University Samsun Turkey
2. Faculty of Veterinary Medicine Department of Virology Sivas Cumhuriyet University Sivas Turkey
3. Republic of Turkey Ministry Of Agriculture And Forestry Izmir Bornova Veterinary Control Institute Izmir Turkey
4. Faculty of Veterinary Medicine Department of Veterinary Experimental Animals Ondokuz Mayıs University Samsun Turkey