The study program for the scientific specialty Hygiene (occupational, communal, school, radiation, etc.), for the educational and scientific degree "doctor" carried out by the training department "Occupational Medicine" of the Faculty of Public Health at the Sofia University is an adequate response to the needs of the college and the society of highly specialized and qualified personnel with knowledge, skills and work competences in the research and scientific and practical and applied field of hygiene science and practice as an integral part of public health, health prevention, health promotion in workplaces and settlements, health security and safety of workers and health policy. The program connects higher education with scientific - research areas of hygiene, incl. occupational medicine, environmental hygiene, childhood and adolescent hygiene, etc. providing the health care system with the necessary medical and non-medical personnel and specialists.