The Data Management Plan (hereinafter “the project DMP”) is a mandatory deliverable by the European Commission (EC) that has to be tailored to the specific project activities and which should document the relevant project repositories and how they are managed. The Data Management Plan for BY-COVID is developed by WP8 as an integral part of the governance structure, and also oversees the quality assurance of the project outcomes. BY-COVID will not generate new sensitive patient level data but integrate and link existing resources. Hence, responsibility remains on data access committees and processes for each dataset. The project DMP considers: Overview of the project data flow Compliance with Open Science and FAIR data sharing Ethics Requirements1 as required according to the Grant Agreement (WP9) This document is BY-COVID Data Management Plan (DMP) version 0.2 delivered in month 15, being an update of the first version delivered in month 06. This deliverable is based on the template and the guidelines provided by the European Commission for Horizon Europe. Of note, the project DMP is a live document that will be reviewed and updated periodically to ensure it remains up to date.