1. Researchers: Responsible for designing studies, collecting data, and writing reports. They need permissions to input and edit data. 2. Data Analysts: Analyze collected data to identify trends and patterns. They require permissions to access and manipulate datasets but not to input new data. 3. Data Managers: Ensure data integrity and security. They have permissions to oversee the database, manage backups, and control user access. 4. Public Health Officials: Use analyzed data to make policy decisions. They need permissions to view reports and summaries.
