Dr. Mazen Zaylaa is an Assistant Professor of Microbiology at the Faculty of Medicine, Beirut Arab University. He holds a PhD in Food and Medical Microbiology from the Lebanese University and a PhD in Bacteriology, Virology and Hospital Hygiene from the University of Lille and Institut Pasteur de Lille, France. His research focuses on antimicrobial resistance, bacterial pathogenesis, healthcare-associated infections, probiotics, microbiome research, and inflammatory and immune responses. He teaches Medical Microbiology and Immunology, coordinates the Gastrointestinal and Nutrition module, and supervises undergraduate and postgraduate research projects.

Research interests include antimicrobial resistance, clinical and medical microbiology, bacterial pathogenesis, healthcare-associated infections, molecular epidemiology, biofilm formation and virulence factors, probiotics and microbiome research, host inflammatory and immune responses, and infectious disease epidemiology.

Master’s Degree in Biology, Beirut Arab University, Lebanon. PhD in Food and Medical Microbiology, Lebanese University, Lebanon. PhD in Bacteriology, Virology and Hospital Hygiene, University of Lille and Institut Pasteur de Lille, France.

Medical Microbiology and Immunology, including bacteriology, virology, mycology, parasitology, antimicrobial agents and resistance, microbial pathogenesis, innate and adaptive immunity, vaccines and host–pathogen interactions. Coordinator of the Gastrointestinal and Nutrition module, with additional teaching in Medical Laboratory clinical rotations and Body Fluid Analysis at the Faculty of Health Sciences.

Recipient of a doctoral scholarship from the Agence Universitaire de la Francophonie (AUF) in support of doctoral research and international academic training.