Christos Hadjichristodoulou is a Professor of Hygiene and Epidemiology at the School of Medicine of the University of Thessaly (UTH) in Larissa, Greece. He is the Director of the university’s Department of Hygiene and Epidemiology, the Director of the Peripheral Public Health Laboratory of Thessaly, and the scientific coordinator of the two-year postgraduate training program in Applied Public Health and Environmental Hygiene. He is also the Head of the WHO Collaborating Center for the International Health Regulations: points of entry. His research interests focus on epidemiology, hygiene, communicable diseases, vector-borne diseases, environmental health, preventive medicine, epidemiology, the surveillance of infectious diseases, and environmental health and hygiene.