<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="2026-03-31T13:54:17+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.Meningococcal.Monovalent MenC conjugate vaccine schedule Monovalent MenC conjugate 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/IMMZD18SMeningococcalMonovalentMenCConjugateVaccineLogic"/> <action> <title value="Meningococcal dose 1"/> <description value="Provision of the meningococcal dose 1 Trigger event: Child's birth Trigger pseudo: Trigger date: "Date of birth" Create condition: For monovalent MenC conjugate vaccine, one single intramuscular dose is recommended for children aged ≥ 12 months, teenagers and adults. Children aged 2–11 months require 2 doses administered."/> <condition> <kind value="applicability"/> <expression> <description value="Meningococcal dose 1"/> <language value="text/cql-identifier"/> <expression value="Meningococcal 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="Meningococcal 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> <action> <title value="Meningococcal dose 2"/> <description value="Provision of the meningococcal dose 2 for clients that start the series when aged ≤ 11 months Trigger event: First meningococcal dose from the primary series was administered and client started the series when client's age was less than or equal to 11 months Trigger pseudo: Count of vaccines administered (where "Vaccine type" = "Meningococcal vaccines" and "Type of dose" = "Primary series") = 1 and "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") - "Date of birth" ≤ 11 months Trigger date: "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") Create condition: Children 2–11 months require 2 doses administered at an interval of at least 2 months and a booster about 1 year after."/> <condition> <kind value="applicability"/> <expression> <description value="Meningococcal dose 2"/> <language value="text/cql-identifier"/> <expression value="Meningococcal dose 2"/> </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="Meningococcal dose 2 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> <action> <title value="Meningococcal booster dose"/> <description value="Provision of the meningococcal booster dose for clients that start the series when aged ≤ 11 months Trigger event: The primary series has been completed and client started the series when client's age was less than or equal to 11 months Trigger pseudo: "Completed the primary vaccination series" (where "Vaccine type" = "Meningococcal vaccines") = TRUE and "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines" and "Dose number" = 1) - "Date of birth" ≤ 11 months Trigger date: Latest "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") Create condition: Children 2–11 months require 2 doses administered at an interval of at least 2 months and a booster about 1 year after."/> <condition> <kind value="applicability"/> <expression> <description value="Meningococcal booster dose"/> <language value="text/cql-identifier"/> <expression value="Meningococcal booster dose"/> </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="Meningococcal booster dose 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:

IMMZD18SMeningococcalMonovalentMenCConjugateVaccine

Url:

IMMZ.D18.S.Meningococcal.Monovalent MenC conjugate vaccine schedule

Version:

1.0.0

Title:

IMMZ.D18.S.Meningococcal.Monovalent MenC conjugate vaccine schedule

Status:

draft

Type:

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

code: eca-rule

Date:

2026-03-31 13:54:17+0000

Publisher:

WHO

Description:

IMMZ.D18.S.Meningococcal.Monovalent MenC conjugate vaccine schedule Monovalent MenC conjugate schedule

Knowledge Capability:

computable

Related Artifacts:

References

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

Libraries:

IMMZD18SMeningococcalMonovalentMenCConjugateVaccineLogic

Actions:

Meningococcal dose 1: Provision of the meningococcal dose 1 Trigger event: Child's birth Trigger pseudo: Trigger date: "Date of birth" Create condition: For monovalent MenC conjugate vaccine, one single intramuscular dose is recommended for children aged ≥ 12 months, teenagers and adults. Children aged 2–11 months require 2 doses administered.
If: Applicability: Meningococcal dose 1 (Meningococcal dose 1)
Then: Definition: IMMZ.D2.DT.CR
Dynamic Values:
status: ('active')
payload.contentString: (Meningococcal 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' })

Meningococcal dose 2: Provision of the meningococcal dose 2 for clients that start the series when aged ≤ 11 months Trigger event: First meningococcal dose from the primary series was administered and client started the series when client's age was less than or equal to 11 months Trigger pseudo: Count of vaccines administered (where "Vaccine type" = "Meningococcal vaccines" and "Type of dose" = "Primary series") = 1 and "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") - "Date of birth" ≤ 11 months Trigger date: "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") Create condition: Children 2–11 months require 2 doses administered at an interval of at least 2 months and a booster about 1 year after.
If: Applicability: Meningococcal dose 2 (Meningococcal dose 2)
Then: Definition: IMMZ.D2.DT.CR
Dynamic Values:
status: ('active')
payload.contentString: (Meningococcal 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' })

Meningococcal booster dose: Provision of the meningococcal booster dose for clients that start the series when aged ≤ 11 months Trigger event: The primary series has been completed and client started the series when client's age was less than or equal to 11 months Trigger pseudo: "Completed the primary vaccination series" (where "Vaccine type" = "Meningococcal vaccines") = TRUE and "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines" and "Dose number" = 1) - "Date of birth" ≤ 11 months Trigger date: Latest "Date and time of vaccination" (where "Vaccine type" = "Meningococcal vaccines") Create condition: Children 2–11 months require 2 doses administered at an interval of at least 2 months and a booster about 1 year after.
If: Applicability: Meningococcal booster dose (Meningococcal booster dose)
Then: Definition: IMMZ.D2.DT.CR
Dynamic Values:
status: ('active')
payload.contentString: (Meningococcal booster 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' })