About Querying the NPDB Continuous Query How to Use Continuous Query (video - 4:25) How to... Activate Continuous Query Enroll and Receive Continuous Query Notifications 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 Querying Infographics Retrieve Historical Query and Report Summaries Interpret Query Responses Querying Through an External Application Help Center