The following standards and related specifications were identified as the recommended approach to support the in-scope requirements. The table lists the summary with the rationale.
Standardization Requirement | Options | Choice | Rationale |
Messaging | CeRx HL7 V3.0 - Immunizations | X | The specification was designed to meet the in-scope use cases and conforms with the architectural design of Canada's digital health blueprint. |
| HLv2 | Inconsistent with Canada's blueprint. Not used in Canada. |