<p>Sierra Leone Government is implementing COVID-19 vaccination as one of the strategies for reducing the rapid spread of the disease. However, data backlog remains a major challenge. AFENET supported the decentralization of the COVID-19 DHIS2 data module from the district level to the Peripheral Health Unit (PHU) facility as a sustainable way of data backlog reduction. We aimed to roll out the DHIS2 data model to enhance COVID-19 vaccination at the health facility level</p>