Business process diagrams for each of the Use Cases are included in the Digital Documentation of COVID-19 Certificates:
Vaccination Status (DDCC:VS) — Technical Specifications and Implementation Guidance (link forthcoming).
This page includes sequence diagrams with DDCC:VS actors (described in the
Actors ) and Fast Healthcare Interoperability Resources (FHIR) references, and includes options, such as the use of two-dimensional
(2D) barcodes and a DDCC:VS Repository Service.
Continuity of Care scenario-Paper First use case: Digitize Vaccination Event (Paper)
Transaction: Digitize Vaccination Event (Paper First) Subject of Care DDCC:VS Holder Vaccinator Data Entry Personnel Paper Register Digital Health Solution DDCC:VS Generation Service DDCC:VS Registry Service DDCC:VS Repository Service opt [Subject of Care has a DDCC:VS paper card] 1.1.1 Give Subject of Care's DDCC:VS paper card to Vaccinator 1.1.2 Administer vaccination 1.1.3 Record core data set data on DDCC:VS paper card 1.1.4 Record vaccination event in paper register 1.1.5 Read row in paper register 1.1.6 Enter vaccination event details 1.1.7 Send vaccination event details 1.1.8 Generate DDCC:VS FHIR Document opt [Generate 2D barcode] 1.1.9 Generate 2D barcode 1.1.10 Add 2D barcode to FHIR Document 1.1.11 Sign DDCC:VS FHIR Document opt [Has DDCC:VS Registry] opt [Has DDCC:VS Repository] 1.1.12 Upload FHIR Document 1.1.13 Upload FHIR Bundle 1.1.14 Return signed FHIR Document 1.1.15 Store signed FHIR Document in Subject of Care's record Continuity of Care scenario-Offline Digital Health use case: Digitize Vaccination Event (Online)
Digitize Vaccination Event (Online Digital) Subject of Care DDCC Holder Vaccinator Data Entry Personnel Digital Health Solution DDCC:VS Generation Service DDCC:VS Registry Service DDCC:VS Repository Service opt [Subject of Care has a DDCC:VS paper card] 1.1.1 Give Subject of Care's DDCC:VS paper card to Vaccinator 1.1.2 Administer vaccination 1.1.3 Record core data set data on DDCC:VS paper card 1.1.4 Enter vaccination event details 1.1.5 Send vaccination event details 1.1.6 Generate DDCC:VS HL7 FHIR Document opt [Generate 2D Barcode] 1.1.7 Generate 2D Barcode 1.1.8 Add 2D Barcode to DDCC:VS FHIR Document 1.1.9 Sign DDCC:VS FHIR Document opt [Has DDCC:VS:VS Registry] opt [Has DDCC:VS:VS Repository] 1.1.10 Upload DDCC:VS FHIR Document 1.1.11 Upload DDCC:VS FHIR Bundle 1.1.12 Return signed DDCC:VS FHIR Document 1.1.13 Store signed DDCC:VS FHIR Document in Subect of Care's record opt [Can Print QR Stickers] 1.1.14 Print QR code sticker from signed DDCC:VS FHIR Document 1.1.15 Place QR code sticker on DDCC:VS Proof of Vaccination scenario-Online Status Check use case: Request Digital DDCC
Transaction: Request DDCC:VS Verifier DDCC:VS Registry Serice DDCC:VS Repository Serice 1.1.1 Request current Digital DDCC:VS with a given DDCC:VS identifier 1.1.2 Search list of reserved identifiers for the requested DDCC:VS identifier alt [DDCC:VS Folder Found] 1.1.3 Return DDCC:VS Folder opt [DDCC:VS Repository exists] 1.1.4 Request DDCC:VS HL7 FHIR Document 1.1.5 Return DDCC FHIR Document [DDCC:VS Folder Not Found] 1.1.6 Return error condition
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