Professor Dr. Ashraf Abdou Saleh Tabll is a leading Egyptian scientist in medical biotechnology and immunology, currently serving as Professor of Medical Biotechnology at the Egypt Center for Research and Regenerative Medicine (ECRRM) (formerly NAMRU-3), Egypt. He is also a Professor of Medical Biotechnology at the Microbial Biotechnology Department, Biotechnology Research Institute, National Research Centre (NRC). Prof. Tabll earned his Ph.D. in Biochemistry (2001) from Cairo University, where his research focused on cellular and molecular biomarkers in liver diseases. He previously obtained an M.Sc. in Chemistry (Menoufia University, 1997), an M.Sc. in Medical Microbiology (Military Medical Academy, 1993), and a B.Sc. in Science from Mansoura University (1990). With over 108 international publications in reputable journals, Prof. Tabll’s research spans immunodiagnostics, immunotherapy, monoclonal and IgY antibody development, virology, and vaccine design as well as Cancer Biology. He has played a pioneering role in establishing cell line systems for the production of monoclonal antibodies and chicken egg yolk (IgY) antibodies for therapeutic and preventive applications against hepatitis viruses, MERS-CoV, and COVID-19. His work led to several Egyptian and international patents, including a U.S. patent (No. 11,319,382, 2022) for IgY antibodies against MERS-CoV. Prof. Tabll has been a principal investigator and collaborator on numerous national and international research proj