1. Department of Microbiology; Faculty of Veterinary Medicine; Zagazig University; Zagazig Egypt
2. Department of Bacteriology, Mycology and Immunology; Faculty of Veterinary Medicine; University of Sadat City; Sadat Egypt
3. Department of Microbiology and Immunology; Faculty of Veterinary Medicine; Sohag University; Sohag Egypt
4. Veterinarian in the University Cities at Sadat City University; Sadat Egypt
5. Department of Zoonotic Diseases; Faculty of Veterinary Medicine; Sohag University; Sohag Egypt
6. Department of Biomedical Sciences; University of León (ULE); León Spain