WHO Immunization Implementation Guide
1.0.0 - release

This page is part of the Immunizations (v1.0.0: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

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

Official URL: http://smart.who.int/immunizations/PlanDefinition/IMMZD18SVaricella1Dose Version: 1.0.0
Draft as of 2026-10-02 Computable Name: IMMZD18SVaricella1Dose

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

Id: IMMZD18SVaricella1Dose
Url: IMMZ.D18.S.Varicella.1-dose schedule
Version: 1.0.0
Title: IMMZ.D18.S.Varicella.1-dose schedule
Status: draft
Type:

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

code: eca-rule

Date: 2026-10-02 09:40:20+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' })