About Querying the NPDB Help Center Querying Infographics Continuous Query How to Use Continuous Query (video - 4:52) How to... Activate Continuous Query Enroll and Receive Continuous Query Notifications Manage Continuous Query Enrollments Use the Search Results to Enroll New Practitioners Reenroll a Subject from a Canceled Enrollment View Enrollment Confirmations Update a Practitioner Profile in Continuous Query Renew a Continuous Query Enrollment Cancel a Continuous Query Enrollment Store Subjects in Continuous Query One-Time Query Retrieve Historical Query and Report Summaries Interpret Query Responses Querying Through an External Application