WHO Digital Documentation of COVID-19 Certificates (DDCC)
1.0.0 - CI Build
WHO Digital Documentation of COVID-19 Certificates (DDCC)
1.0.0 - CI Build
WHO Digital Documentation of COVID-19 Certificates (DDCC), published by WHO. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/ddcc/ and changes regularly. See the Directory of published versions
| Official URL: http://smart.who.int/ddcc/StructureDefinition/DDCCCountryOfEvent | Version: 1.0.0 | |||
| Draft as of 2025-09-23 | Computable Name: DDCCCountryOfEvent | |||
DDCC Country Of Event for Immunization
Context of Use
This extension may be used on the following element(s)
Immunization
Usage info
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter:   |
|---|---|---|---|---|
  Extension |
0..* | Extension | DDCC Country Of Event for Immunization | |
  extension |
0..0 | |||
| url |
1..1 | uri | "http://smart.who.int/ddcc/StructureDefinition/DDCCCountryOfEvent" | |
  value[x] |
S | 1..1 | code | Value of extension Binding: Iso3166-1-3 (preferred) |
| Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | DDCC Country Of Event for Immunization | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://smart.who.int/ddcc/StructureDefinition/DDCCCountryOfEvent" | |
| value[x] |
S | 1..1 | code | Value of extension Binding: Iso3166-1-3 (preferred) |
| Documentation for this format | ||||
This structure is derived from Extension
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | DDCC Country Of Event for Immunization | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://smart.who.int/ddcc/StructureDefinition/DDCCCountryOfEvent" | |
| value[x] |
S | 1..1 | code | Value of extension Binding: Iso3166-1-3 (preferred) |
| Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension |
0..* | Extension | DDCC Country Of Event for Immunization | |
| id |
0..1 | string | Unique id for inter-element referencing | |
| extension |
0..0 | |||
| url |
1..1 | uri | "http://smart.who.int/ddcc/StructureDefinition/DDCCCountryOfEvent" | |
| value[x] |
S | 1..1 | code | Value of extension Binding: Iso3166-1-3 (preferred) |
| Documentation for this format | ||||
This structure is derived from Extension
Other representations of profile: CSV, Excel, Schematron
| Path | Conformance | ValueSet | URI |
| Extension.value[x] | preferred | Iso3166-1-3http://hl7.org/fhir/ValueSet/iso3166-1-3From the FHIR Standard |
| Id | Grade | Path(s) | Details | Requirements |
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count()) | |
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists() |