Retrieve Document
This transaction can be used to retrieve documents from a SHR or document repository that stores health records. In addition, a vaccine verifier (point-of-care application or any authorized application outside of the HIE) can use this transaction to verify a Digital Documentation COVID Certificate (DDCC) Immunization event. This may include COVID immunizations and negative tests.
Workflow Maturity
Newly Defined
  • Workflow is defined by WHO and has OpenHIE ARB approval
  • Initial implementations are being considered.
Standards
Assumptions and Prerequisites
  • The appropriate trust agreements and processes have been put in place for the document requester or Verifier to receive the certificate.
  • The appropriate documents or meta data about the document have been stored. This may include saving a vaccine or a lab test event to a shared health record via Register / Store Document or Save Patient-level Clinical Data Workflow.
Actors
  • Document Requester or Verifier (External System) - External system or Point-of-care system requesting the document or vaccine status.
  • IOL - The interoperability layer that secures and orchestrates the exchange of information
  • SHR / Document Repository (or Electronic Vaccination Registry) - The shared health record that serves as a centralized data store for patients’ longitudinal health record and or health documents

Interaction Description

The Interaction Description is stored in the "Retrieve Health Certificate Reference" in the WHO FHIR IG.
References: WHO DDCC Workflo
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