Dr. Mahmoud El-Hariri is a Lecturer at the Microbiology Department of the Faculty of Veterinary Medicine, Cairo University. He holds a Ph.D. in Microbiology (2009), an MSc. in Microbiology (2005), and BSc. in Veterinary Science (1999), all from Cairo University. He was previously a Lecturer at the Animal Department of the Genetic Engineering and Biotechnology Research Institute (GEBRI) at Menofiya University, an Assistant Lecturer the Faculty of Biotechnology of Misr University for Science and Technology (MUST), and a Microbiology Consultant at Egypvet-Care, a company specialized in animal nutrition and health products. Dr. El-Hariri has numerous publications in peer-reviewed scientific journals.