1. Department of Microbiology College of Veterinary Medicine King Faisal University Al‐Ahasa Saudi Arabia
2. Faculty of Veterinary Medicine Department of Virology Kafrelsheikh University Kafrelsheikh Egypt
3. Department of Public Health and Animal Husbandry Veterinary Medicine King Faisal University Hofuf Saudi Arabia
4. Department of Clinical Sciences College of Veterinary Medicine King Faisal University Al‐Ahasa Saudi Arabia