Background: The emergence of a new pandemic caused by a novel coronavirus (COVID-19) is a unique challenge for public health (all age and sex groups).
Objective: This study aimed to explore the adolescents' perceptions of preventive behaviors to avoid COVID-19 disease based on the health belief model (HBM).
Method: This cross-sectional study was conducted on 797adolescents (aged between 12 and 18 years old), who were 7th-12th -grade students of 24 randomly selected schools from 28th May to June 28, 2020 in Isfahan, Iran.