1. Department of Zoonotic Diseases, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.
2. Medical Research Division, Department of Complementary Medicine, National Research Center (NRC), Dokki, Giza, Egypt.
3. Veterinary Research Division, Department of Zoonotic Diseases, National Research Center (NRC), Dokki, Giza, Egypt.
4. Veterinary Research Division, Department of Parasitology and Animal Diseases, National Research Center (NRC), Dokki, Giza, Egypt.
5. Central Laboratory for Evaluation of Veterinary Biologics, Abbassia, Cairo, Egypt.