<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.D18.S.Varicella.1-dose schedule 1-dose schedule"/> <relatedArtifact> <type value="citation"/> <citation value="WHO recommendations for routine immunization - summary tables (January 2025)"/> </relatedArtifact> <library value="http://smart.who.int/immunizations/Library/IMMZD18SVaricella1DoseLogic"/> <action> <title value="Varicella dose 1"/> <description value="Provision of the varicella dose 1 Trigger event: Child's birth Trigger pseudo: Trigger date: "Date of birth" Create condition: Depending on the goal of the vaccination programme, 1–2 doses should be given with the first dose administered at 12–18 months of age."/> <condition> <kind value="applicability"/> <expression> <description value="Varicella dose 1"/> <language value="text/cql-identifier"/> <expression value="Varicella dose 1"/> </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="Varicella dose 1 Create"/> </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:

IMMZD18SVaricella1Dose

Url:

IMMZ.D18.S.Varicella.1-dose schedule

Version:

0.2.0

Title:

IMMZ.D18.S.Varicella.1-dose schedule

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.D18.S.Varicella.1-dose schedule 1-dose schedule

Knowledge Capability:

computable

Related Artifacts:

References

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

Libraries:

IMMZD18SVaricella1DoseLogic

Actions:

Varicella dose 1: Provision of the varicella dose 1 Trigger event: Child's birth Trigger pseudo: Trigger date: "Date of birth" Create condition: Depending on the goal of the vaccination programme, 1–2 doses should be given with the first dose administered at 12–18 months of age.
If: Applicability: Varicella dose 1 (Varicella dose 1)
Then: Definition: IMMZ.D2.DT.CR
Dynamic Values:
status: ('active')
payload.contentString: (Varicella dose 1 Create)
category.coding: (Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' })
priority: (Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' })