WHO Immunization Implementation Guide
0.2.0 - ci-build

WHO Immunization Implementation Guide, published by WHO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-immunizations/ and changes regularly. See the Directory of published versions

PlanDefinition: IMMZ.D18.S.Seasonal influenza schedule

Official URL: http://smart.who.int/immunizations/PlanDefinition/IMMZD18SSeasonalinfluenza2Dose Version: 0.2.0
Draft as of 2025-10-17 Computable Name: IMMZD18SSeasonalinfluenza2Dose

IMMZ.D18.S.Seasonal influenza schedule Inactivated trivalent and quadrivalent vaccines, 2-dose schedule for children aged under 9 years

Id: IMMZD18SSeasonalinfluenza2Dose
Url: IMMZ.D18.S.Seasonal influenza schedule
Version: 0.2.0
Title: IMMZ.D18.S.Seasonal influenza schedule
Status: draft
Type:

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

code: eca-rule

Date: 2025-10-17 22:33:23+0000
Publisher: WHO
Description:

IMMZ.D18.S.Seasonal influenza schedule Inactivated trivalent and quadrivalent vaccines, 2-dose schedule for children aged under 9 years
Knowledge Capability: computable
Related Artifacts:

References

  • ​

    WHO recommendations for routine immunization - summary tables (January 2025)
Libraries:
IMMZD18SSeasonalinfluenza2DoseLogic
Actions:
Seasonal influenza dose 1: Provision of the seasonal influenza vaccine dose 1 Trigger event: Child's birth Trigger date: "Date of birth" Create condition: Influenza vaccines are safe and effective in children from 6 months of age
If: Applicability: Seasonal influenza dose 1 (Seasonal influenza dose 1)
Then: Definition: IMMZ.D2.DT.CR
Dynamic Values:
status: ('active')
payload.contentString: (Seasonal influenza 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' })
Seasonal influenza dose 2: Provision of the seasonal influenza vaccine dose 2 Trigger event: First seasonal influenza dose from the primary series was administered and client is less than 9 years Count of vaccines administered (where "Vaccine type" = "Seasonal influenza vaccines" and "Type of dose" = "Primary series") = 1 AND (Today's date − "Date of birth" < 9 years) Trigger date: "Date and time of vaccination" (where "Vaccine type" = "Seasonal influenza vaccines") Create condition: Children aged 6 months to 8 years should receive 2 doses at least 4 weeks apart
If: Applicability: Seasonal influenza dose 2 (Seasonal influenza dose 2)
Then: Definition: IMMZ.D2.DT.CR
Dynamic Values:
status: ('active')
payload.contentString: (Seasonal influenza dose 2 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' })
Seasonal influenza annual dose: Provision of the seasonal influenza vaccine annual dose Trigger event: The primary series has been completed "Completed the primary vaccination series" = TRUE (where "Vaccine type" = "Seasonal influenza vaccines") Trigger date: Latest "Date and time of vaccination" (where "Vaccine type" = "Seasonal influenza vaccines") Create condition: Seasonal influenza vaccine annual dose should be provided 1 year after the previous dose
If: Applicability: Seasonal influenza annual dose (Seasonal influenza annual dose)
Then: Definition: IMMZ.D2.DT.CR
Dynamic Values:
status: ('active')
payload.contentString: (Seasonal influenza annual dose 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' })