Objective: To determine the effects of the “Free of COVID-19” educational program on the preventive social skills of teenagers treated at a provincial hospital in Peru. Materials and methods: An explanatory, pre-experimental, longitudinal and prospective research with a pretest and posttest intact group design. The population consisted of 40 male and female teenagers aged between 13 and 19, who were treated at the Tayabamba provincial hospital. The inclusion criteria were a) teenagers aged between 13 and 19, b) teenagers with complete medical records and c) teenagers treated at the Tayabamba provincial hospital. The variables (before and after the program) were the preventive social skills and their dimensions: assertiveness, communication, self-esteem and decision-making. The “Free of COVID-19” educational program was implemented with a pretest and a posttest. A questionnaire ma...