Introduction And Aim: In the case of primary school children in Budapest (n = 165), data on their social status and their previous knowledge on hand hygiene were elicited with the help of pre-knowledge questionnaires issued by students of higher education. The aim of the research was introducing a novel pedagogical procedure - application and optimization of peer education in the development of proper hand hygiene among primary school students.
Method: The knowledge-based survey was conducted after four (n = 85) and eight hours of teaching (n = 36).