 This study investigated the effectiveness of a precede-based educational intervention on mothers' preventive behaviors of a Titus media in their infants. The results showed that the educational intervention had a positive impact on mothers' knowledge, attitudes, enabling factors, reinforcing factors, and behaviors related to a Titus media prevention. These findings suggest that precede-based educational interventions can be used to promote preventive behaviors of a Titus media in infants. This article was authored by Aitfef Marodi, Rahel Saltani, Mohsen Shamsi, and others.