<p>Vaccination helps immunize children against deadly and debilitating diseases. According to the World Health Organization, most incompletely vaccinated children are in Africa. In Mali, 55% of children aged 12-23 months were fully vaccinated and 14% had not received any vaccine in 2018. The objective of our study was to determine the factors associated with incomplete vaccination of 15–23-month-old children in Tominian in a context of insecurity in 2020</p>