<type> <coding> <system value="http://terminology.hl7.org/CodeSystem/plan-definition-type"/> <code value="eca-rule"/> </coding> </type> <status value="draft"/> <experimental value="false"/> <date value="2026-03-25T23:30:34+00:00"/> <publisher value="WHO"/> <contact> <name value="WHO"/> <telecom> <system value="url"/> <value value="http://who.int"/> </telecom> </contact> <description value="IMMZ.D2.DT.Measles.Ongoing transmission Countries with ongoing transmission in which the risk of measles mortality remains high (countries that provide first dose of measles-containing vaccine (MCV) at 9 months and second dose of MCV at 15 months)"/> <relatedArtifact> <type value="citation"/> <citation value="WHO recommendations for routine immunization - summary tables (January 2025)"/> </relatedArtifact> <library value="http://smart.who.int/immunizations/Library/IMMZD2DTMeaslesOngoingTransmissionLogic"/> <action> <extension url="http://hl7.org/fhir/uv/cpg/StructureDefinition/cpg-rationale"> <valueMarkdown value="In countries with ongoing transmission in which the risk of measles mortality remains high, MCV1 should be given at 9 months of age. As a general rule, live vaccines should be given either simultaneously or at intervals of 4 weeks. An exception to this rule is oral poliovirus vaccine (OPV), which can be given at any time before or after measles vaccination without interference in the response to either vaccine."/> </extension> <title value="Determine if the client is due for MCV1 in countries with ongoing transmission."/> <description value="Determine if the client is due for measles vaccination MCV1 according to the national immunization protocol. Countries with ongoing transmission in which the risk of measles mortality remains high."/> <condition> <kind value="applicability"/> <expression> <description value="Client is due for MCV1"/> <language value="text/cql-identifier"/> <expression value="Client is due for MCV1"/> </expression> </condition> <definitionCanonical value="http://smart.who.int/immunizations/ActivityDefinition/IMMZD2DTMR"/> <dynamicValue> <path value="status"/> <expression> <language value="text/cql-expression"/> <expression value="'draft'"/> </expression> </dynamicValue> <dynamicValue> <path value="intent"/> <expression> <language value="text/cql-expression"/> <expression value="'proposal'"/> </expression> </dynamicValue> <dynamicValue> <path value="medication"/> <expression> <language value="text/cql-expression"/> <expression value="Concept { codes: { Code { system: 'http://smart.who.int/immunizations/CodeSystem/IMMZ.Z', code: 'DE9', display: 'Measles-containing vaccines' } }, display: 'Measles-containing vaccines' }"/> </expression> </dynamicValue> </action> <action> <extension url="http://hl7.org/fhir/uv/cpg/StructureDefinition/cpg-rationale"> <valueMarkdown value="In countries with ongoing transmission in which the risk of measles mortality remains high, MCV2 should be given at 15–18 months. The minimum interval between MCV1 and MCV2 is 4 weeks. As a general rule, live vaccines should be given either simultaneously or at intervals of 4 weeks. An exception to this rule is OPV, which can be given at any time before or after measles vaccination without interference in the response to either vaccine."/> </extension> <title value="Determine if the client is due for MCV2 in countries with ongoing transmission."/> <description value="Determine if the client is due for measles vaccination MCV2 according to the national immunization protocol. Countries with ongoing transmission in which the risk of measles mortality remains high."/> <condition> <kind value="applicability"/> <expression> <description value="Client is due for MCV2"/> <language value="text/cql-identifier"/> <expression value="Client is due for MCV2"/> </expression> </condition> <definitionCanonical value="http://smart.who.int/immunizations/ActivityDefinition/IMMZD2DTMR"/> <dynamicValue> <path value="status"/> <expression> <language value="text/cql-expression"/> <expression value="'draft'"/> </expression> </dynamicValue> <dynamicValue> <path value="intent"/> <expression> <language value="text/cql-expression"/> <expression value="'proposal'"/> </expression> </dynamicValue> <dynamicValue> <path value="medication"/> <expression> <language value="text/cql-expression"/> <expression value="Concept { codes: { Code { system: 'http://smart.who.int/immunizations/CodeSystem/IMMZ.Z', code: 'DE9', display: 'Measles-containing vaccines' } }, display: 'Measles-containing vaccines' }"/> </expression> </dynamicValue> </action> <action> <title value="Check for Guidance for the patient regarding IMMZ.D2.DT.Measles.Ongoing transmission."/> <description value="Show Guidance for the patient regarding IMMZ.D2.DT.Measles.Ongoing transmission."/> <condition> <kind value="applicability"/> <expression> <description value="Has Guidance"/> <language value="text/cql-identifier"/> <expression value="Has Guidance"/> </expression> </condition> <definitionCanonical value="http://smart.who.int/immunizations/ActivityDefinition/IMMZD2DTCR"/> <dynamicValue> <path value="status"/> <expression> <language value="text/cql-expression"/> <expression value="'active'"/> </expression> </dynamicValue> <dynamicValue> <path value="payload.contentString"/> <expression> <language value="text/cql-identifier"/> <expression value="Guidance"/> </expression> </dynamicValue> <dynamicValue> <path value="category.coding"/> <expression> <description value="Category of communication"/> <language value="text/cql-expression"/> <expression value="Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' }"/> </expression> </dynamicValue> <dynamicValue> <path value="priority"/> <expression> <description value="Alert priority"/> <language value="text/cql-expression"/> <expression value="Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' }"/> </expression> </dynamicValue> </action> </PlanDefinition>

Id:

IMMZD2DTMeaslesOngoingTransmission

Url:

IMMZ.D2.DT.Measles.Ongoing transmission

Version:

0.2.0

Title:

IMMZ.D2.DT.Measles.Ongoing transmission

Status:

draft

Type:

system: http://terminology.hl7.org/CodeSystem/plan-definition-type

code: eca-rule

Date:

2026-03-25 23:30:34+0000

Publisher:

WHO

Description:

IMMZ.D2.DT.Measles.Ongoing transmission Countries with ongoing transmission in which the risk of measles mortality remains high (countries that provide first dose of measles-containing vaccine (MCV) at 9 months and second dose of MCV at 15 months)

Knowledge Capability:

computable

Related Artifacts:

References

WHO recommendations for routine immunization - summary tables (January 2025)

Libraries:

IMMZD2DTMeaslesOngoingTransmissionLogic

Actions:

Determine if the client is due for MCV1 in countries with ongoing transmission.: Determine if the client is due for measles vaccination MCV1 according to the national immunization protocol. Countries with ongoing transmission in which the risk of measles mortality remains high.
If: Applicability: Client is due for MCV1 (Client is due for MCV1)
Then: Definition: IMMZD2DTMR
Dynamic Values:
status: ('draft')
intent: ('proposal')
medication: (Concept { codes: { Code { system: 'http://smart.who.int/immunizations/CodeSystem/IMMZ.Z', code: 'DE9', display: 'Measles-containing vaccines' } }, display: 'Measles-containing vaccines' })

Determine if the client is due for MCV2 in countries with ongoing transmission.: Determine if the client is due for measles vaccination MCV2 according to the national immunization protocol. Countries with ongoing transmission in which the risk of measles mortality remains high.
If: Applicability: Client is due for MCV2 (Client is due for MCV2)
Then: Definition: IMMZD2DTMR
Dynamic Values:
status: ('draft')
intent: ('proposal')
medication: (Concept { codes: { Code { system: 'http://smart.who.int/immunizations/CodeSystem/IMMZ.Z', code: 'DE9', display: 'Measles-containing vaccines' } }, display: 'Measles-containing vaccines' })

Check for Guidance for the patient regarding IMMZ.D2.DT.Measles.Ongoing transmission.: Show Guidance for the patient regarding IMMZ.D2.DT.Measles.Ongoing transmission.
If: Applicability: Has Guidance (Has Guidance)
Then: Definition: IMMZ.D2.DT.CR
Dynamic Values:
status: ('active')
payload.contentString: (Guidance)
category.coding: (Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' })
priority: (Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' })