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This guide focuses on the selection of messaging standards to support the in scope use cases.

Messaging

The following standards were considered to communicate Vaccination Events and to Query Immunization Repositories.

 

Areas of standardization applicable to e-Prescribing (fill in):

  • Area 1
  • Area 2
  • Area 3

Listed below are the available standards considered for each standardization category, the chosen alternative being highlighted.

Area 1

...

Alternative2No

Standard

Fit for PuposePurpose

Stewardship

Quality

Fits
Requirements

Implementation
Type 

Vendor Support

Canadian
Steward

SDO
Maintained

Complexity

Standard
Maturity

Training,
Support
and Tooling

V01R02.5IZ HL7v3Immunization HL7 V3.0

CloselyImage Modified

Production
in Canada 

Only Jurisdictional Implementers

Yes

Yes

High

 

HighMed

Available

CeRx  HL7 V3.0

PartiallyImage ModifiedProduction
in Canada 		MediumImage ModifiedYesYesHighImage ModifiedHighAvailableImage Modified

Architectural Constraints and Considerations

Secondary Benefits

 

 

Recommendation

Supporting Rationale

  

Area 2

Description.

N/A

HL7 v2 

PartiallyImage Added

No known implementations

Standard

Fit for Purpose

Stewardship

Quality

Fits
Requirements 

Implementation
Type 

Vendor
Support 

Canadian
Steward 

SDO
Maintained 

Complexity

Standard
Maturity

Training, Support
and Tooling

Alternative 1

CloselyImage Removed

Limited in
Canada 

LimitedImage Removed

No

Yes

HighImage Removed

Normative

AppropriateImage Removed

Alternative 2

PartialImage Removed

Production
in Canada 

HighImage Modified

No

N/A

LowImage Removed

N/A

HighImage Removed

Alternative 3

PartialImage Removed

Production
in Canada 

HighImage Removed

No

Yes

MediumImage Modified

Normative

UnknownImage Removed

Alternative 4

LimitedImage Removed

Production
in Canada 

UnknownImage Removed

No

No

LowImage Removed

High

UnknownImage Modified

Architectural Constraints and Considerations

Secondary Benefits

The HL7 V3 immunization specification was designed to support the immunization use cases in a manner consistent with the design principles of Canada's digital health blueprint and supercedes the CeRx specification.

Version 3 uses rigorous analytic and message building techniques and eliminates areas of optionality that could negatively impact semantic interoperability.

  

Recommendation

Supporting Rationale

  

 

Area 3

Description.

 

It is recommended that new implementations adopt Immunization HL7 V3.0 for immunization.The specification was designed to meet the in-scope use cases and conforms with the architectural design of Canada's digital health blueprint.

Standard

Fit for Purpose

Stewardship

Quality

Fits
Requirements 

Implementation
Type 

Vendor
Support 

Canadian
Stewardship

SDO
Maintained 

Complexity

Standard
Maturity

Training, Support
and Tooling

Alternative 1

GoodImage Removed

Production
in Canada 

HighImage Removed

Yes

Localized

MediumImage Removed

Normative

GoodImage Removed

Alternative 2

LimitedImage Removed

International

HighImage Removed

No

Yes

MediumImage Removed

Normative

UnknownImage Removed

Architectural Constraints and Considerations

Secondary Benefits

  

Recommendation

Supporting Rationale