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/tree/123/merge and changes regularly. See the Directory of published versions

: IMMZ.D18.S.Meningococcal.MenA conjugate vaccine 1-dose schedule - JSON Representation

Draft as of 2026-03-03

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{
  "resourceType" : "PlanDefinition",
  "id" : "IMMZD18SMeningococcalMenAConjugateVaccine1Dose",
  "meta" : {
    "profile" : [
      🔗 "http://hl7.org/fhir/uv/cpg/StructureDefinition/cpg-recommendationdefinition"🔗 ,
      "http://hl7.org/fhir/uv/crmi/StructureDefinition/crmi-shareableplandefinition"🔗 ,
      "http://hl7.org/fhir/uv/crmi/StructureDefinition/crmi-publishableplandefinition"
    ]
  },
  "text" : {
    "status" : "extensions",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n<div>\n    <table class=\"grid dict\">\n        \n        <tr>\n            <th scope=\"row\"><b>Id: </b></th>\n            <td style=\"padding-left: 4px;\">IMMZD18SMeningococcalMenAConjugateVaccine1Dose</td>\n        </tr>\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Url: </b></th>\n            <td style=\"padding-left: 4px;\"><a href=\"PlanDefinition-IMMZD18SMeningococcalMenAConjugateVaccine1Dose.html\">IMMZ.D18.S.Meningococcal.MenA conjugate vaccine 1-dose schedule</a></td>\n        </tr>\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Version: </b></th>\n            <td style=\"padding-left: 4px;\">0.2.0</td>\n        </tr>\n        \n\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Title: </b></th>\n            <td style=\"padding-left: 4px;\">IMMZ.D18.S.Meningococcal.MenA conjugate vaccine 1-dose schedule</td>\n        </tr>\n        \n\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Status: </b></th>\n            <td style=\"padding-left: 4px;\">draft</td>\n        </tr>\n        \n\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Type: </b></th>\n            <td style=\"padding-left: 4px;\">\n                \n                    \n                        \n                        <p style=\"margin-bottom: 5px;\">\n                            <b>system: </b> <span><a href=\"http://terminology.hl7.org/7.0.1/CodeSystem-plan-definition-type.html\">http://terminology.hl7.org/CodeSystem/plan-definition-type</a></span>\n                        </p>\n                        \n                        \n                        <p style=\"margin-bottom: 5px;\">\n                            <b>code: </b> <span>eca-rule</span>\n                        </p>\n                        \n                        \n                    \n                \n                \n            </td>\n        </tr>\n        \n\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Date: </b></th>\n            <td style=\"padding-left: 4px;\">2026-03-03 13:07:11+0000</td>\n        </tr>\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Publisher: </b></th>\n            <td style=\"padding-left: 4px;\">WHO</td>\n        </tr>\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Description: </b></th>\n            <td style=\"padding-left: 4px;\"><div><p>IMMZ.D18.S.Meningococcal.MenA conjugate vaccine 1-dose schedule\nMenA conjugate vaccine, 1-dose schedule</p>\n</div></td>\n        </tr>\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Knowledge Capability: </b></th>\n            <td style=\"padding-left: 4px;\">\n                \n                computable \n            </td>\n        </tr>\n        \n\n        \n\n        \n\n        \n\n        \n\n        \n\n        \n\n        \n\n        \n\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Related Artifacts: </b></th>\n            <td style=\"padding-left: 4px;\">\n                \n                \n                <p><b>References</b></p>\n                <ul>\n                    \n                    <li><div><p>WHO recommendations for routine immunization - summary tables (January 2025)</p>\n</div><br/><a href=\"null\"/></li>\n                    \n                </ul>\n                \n                \n                \n                \n                \n                \n            </td>\n        </tr>\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Libraries: </b></th>\n            <td style=\"padding-left: 4px;\">\n                <table class=\"grid-dict\">\n                    \n                    <tr>\n                        <td><a href=\"Library-IMMZD18SMeningococcalMenAConjugateVaccine1DoseLogic.html\">IMMZD18SMeningococcalMenAConjugateVaccine1DoseLogic</a></td>\n                    </tr>\n                    \n                </table>\n            </td>\n        </tr>\n        \n\n        \n        <tr>\n            <th scope=\"row\"><b>Actions: </b></th>\n            <td style=\"padding-left: 4px;\">\n                <table class=\"grid-dict\">\n                    \n                    <tr>\n                        <td>\n                            \n                            <b> Meningococcal dose 1:</b> Provision of the meningococcal dose 1\nTrigger event: Child's birth\nTrigger pseudo: \nTrigger date: &quot;Date of birth&quot;\nCreate condition: For MenA conjugate vaccine (5µg), a 1-dose schedule is recommended at 9–18 months of age\n                            \n                            <br/>\n                            \n                            \n                            <b>If:</b>\n                            \n                            <i>Applicability:</i>\n                            \n                            Meningococcal dose 1\n                            \n                            <i>(Meningococcal dose 1)</i>\n                            <br/>\n                            \n                            \n                            \n                            \n                            <b>Then:</b> <i>Definition:</i> <a href=\"ActivityDefinition-IMMZD2DTCR.html\">IMMZ.D2.DT.CR</a><br/>\n                            \n                            <i>Dynamic Values:</i><br/>\n                            \n                            status: <i>('active')</i>\n                            <br/>\n                            \n                            payload.contentString: <i>(Meningococcal dose 1 Create)</i>\n                            <br/>\n                            \n                            category.coding: <i>(Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' })</i>\n                            <br/>\n                            \n                            priority: <i>(Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' })</i>\n                            <br/>\n                            \n                            \n                            \n                            \n                        </td>\n                    </tr>\n                    \n                </table>\n            </td>\n        </tr>\n        \n    </table>\n</div>\n</div>"
  },
  "contained" : [
    {
      "resourceType" : "Library",
      "id" : "effective-data-requirements",
      "extension" : [
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "IMMZElements"
            },
            {
              "url" : "name",
              "valueString" : "Doses Administered to Patient"
            },
            {
              "url" : "statement",
              "valueString" : "/**\n * @dataElement All Doses Administered to Patient\n */\ndefine \"Doses Administered to Patient\":\n  [Immunization] I\n    where I.status = 'completed'\n    and I.isSubpotent is not true"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 0
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "IMMZEncounterElements"
            },
            {
              "url" : "name",
              "valueString" : "Doses Administered to Patient"
            },
            {
              "url" : "statement",
              "valueString" : "/**\n * @dataElement All Doses Administered to Patient\n */\ndefine \"Doses Administered to Patient\":\n  Elements.\"Doses Administered to Patient\" I\n    where I.occurrence.toInterval() same day or before Today"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 1
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "IMMZD2DTMeningococcalEncounterElements"
            },
            {
              "url" : "name",
              "valueString" : "Meningococcal Doses Administered to Patient"
            },
            {
              "url" : "statement",
              "valueString" : "/*\n@internal: Meningococcal containing Doses Administered to Patient\n*/\ndefine \"Meningococcal Doses Administered to Patient\":\n  Encounter.\"Doses Administered to Patient\" I\n  where\n    I.vaccineCode in Concepts.\"Meningococcal vaccines\""
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 2
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "IMMZD2DTMeningococcalEncounterElements"
            },
            {
              "url" : "name",
              "valueString" : "Meningococcal Primary Series Doses Administered to Patient"
            },
            {
              "url" : "statement",
              "valueString" : "/*\n@internal: Meningococcal containing Doses Administered to Patient that are in the Primary series\n*/\ndefine \"Meningococcal Primary Series Doses Administered to Patient\":\n  \"Meningococcal Doses Administered to Patient\".seriesPrimary()"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 3
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "IMMZD2DTMeningococcalEncounterElements"
            },
            {
              "url" : "name",
              "valueString" : "Number of Meningococcal Primary Series Doses Administered"
            },
            {
              "url" : "statement",
              "valueString" : "/*\n@internal: Number of Meningococcal Primary Series doses\n*/\ndefine \"Number of Meningococcal Primary Series Doses Administered\":\n  Count(\"Meningococcal Primary Series Doses Administered to Patient\")"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 4
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "IMMZD2DTMeningococcalEncounterElements"
            },
            {
              "url" : "name",
              "valueString" : "No meningococcal primary series dose was administered"
            },
            {
              "url" : "statement",
              "valueString" : "/*\n@input: No meningococcal primary series dose was administered\n@pseudocode: Count of vaccines administered (where \"Vaccine type\" = \"Meningococcal vaccines\" and \"Type of dose\" = \"Primary series\") = 0\n@code: No meningococcal primary series dose was administered-122\n@decision: IMMZ.D2.DT.Meningococcal.MenA conjugate vaccine 1 dose: MenA conjugate vaccine, 1-dose schedule\n@decision: IMMZ.D2.DT.Meningococcal.MenA conjugate vaccine 2 doses: MenA conjugate vaccine, 2-dose schedule (specific context where there is a compelling reason to vaccinate infants aged under 9 months)\n@decision: IMMZ.D2.DT.Meningococcal.Monovalent MenC conjugate vaccine: Monovalent MenC conjugate vaccine schedule\n@decision: IMMZ.D2.DT.Meningococcal.Quadrivalent conjugate vaccines 1 dose: Quadrivalent conjugate vaccines (A,C,W135,Y-CRM), 1-dose schedule\n@decision: IMMZ.D2.DT.Meningococcal.Quadrivalent conjugate vaccines 2 doses: Quadrivalent conjugate vaccines (A,C,W135,Y-D), 2-dose schedule\n@decision: IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines: Polysaccharide vaccines schedule\n(Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines)\n*/\ndefine \"No meningococcal primary series dose was administered\":\n  \"Number of Meningococcal Primary Series Doses Administered\" = 0"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 5
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "IMMZD2DTMeningococcalEncounterElements"
            },
            {
              "url" : "name",
              "valueString" : "One meningococcal primary series dose was administered"
            },
            {
              "url" : "statement",
              "valueString" : "/*\n@input: One meningococcal primary series dose was administered\n@pseudocode: Count of vaccines administered (where \"Vaccine type\" = \"Meningococcal vaccines\" and \"Type of dose\" = \"Primary series\") = 1\n@code: One meningococcal primary series dose was administered-122\n@decision: IMMZ.D2.DT.Meningococcal.MenA conjugate vaccine 1 dose: MenA conjugate vaccine, 1-dose schedule\n@decision: IMMZ.D2.DT.Meningococcal.MenA conjugate vaccine 2 doses: MenA conjugate vaccine, 2-dose schedule (specific context where there is a compelling reason to vaccinate infants aged under 9 months)\n@decision: IMMZ.D2.DT.Meningococcal.Monovalent MenC conjugate vaccine: Monovalent MenC conjugate vaccine schedule\n@decision: IMMZ.D2.DT.Meningococcal.Quadrivalent conjugate vaccines 1 dose: Quadrivalent conjugate vaccines (A,C,W135,Y-CRM), 1-dose schedule\n@decision: IMMZ.D2.DT.Meningococcal.Quadrivalent conjugate vaccines 2 doses: Quadrivalent conjugate vaccines (A,C,W135,Y-D), 2-dose schedule\n@decision: IMMZ.D2.DT.Meningococcal.Polysaccharide vaccines: Polysaccharide vaccines schedule\n(Polysaccharide vaccines can be used to control outbreaks in countries where limited economic resources or insufficient supply restrict the use of meningococcal conjugate vaccines)\n*/\ndefine \"One meningococcal primary series dose was administered\":\n  \"Number of Meningococcal Primary Series Doses Administered\" = 1"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 6
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "IMMZD18SMeningococcalMenAConjugateVaccine1DoseLogic"
            },
            {
              "url" : "name",
              "valueString" : "One meningococcal dose from the primary series was administered. The primary series has been completed"
            },
            {
              "url" : "statement",
              "valueString" : "/*\n@complete: One meningococcal dose from the primary series was administered. The primary series has been completed\n@pseudocode: \"Completed the primary vaccination series\" = TRUE (where \"Vaccine type\" = \"Meningococcal vaccines\")\n*/\ndefine \"One meningococcal dose from the primary series was administered. The primary series has been completed\":\n  Encounter.\"One meningococcal primary series dose was administered\""
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 7
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "IMMZD18SMeningococcalMenAConjugateVaccine1DoseLogic"
            },
            {
              "url" : "name",
              "valueString" : "Meningococcal dose 1"
            },
            {
              "url" : "statement",
              "valueString" : "/*\n@output: Meningococcal dose 1\n@description: Provision of the meningococcal dose 1\n@trigger: Child's birth\n@pseudo: \n@triggerDate: \"Date of birth\"\n*/\ndefine \"Meningococcal dose 1\":\n  Encounter.\"No meningococcal primary series dose was administered\"\n  and not \"One meningococcal dose from the primary series was administered. The primary series has been completed\""
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 8
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "IMMZD18SMeningococcalMenAConjugateVaccine1DoseLogic"
            },
            {
              "url" : "name",
              "valueString" : "Meningococcal dose 1 Due Date"
            },
            {
              "url" : "statement",
              "valueString" : "/*\n@dynamicValue: Meningococcal dose 1 Due Date\n@pseudocode: \"Date of birth\" + 9 months\n*/\ndefine \"Meningococcal dose 1 Due Date\":\n  if \"Meningococcal dose 1\" then Patient.birthDate + 9 months\n  else null"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 9
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "IMMZD18SMeningococcalMenAConjugateVaccine1DoseLogic"
            },
            {
              "url" : "name",
              "valueString" : "Meningococcal dose 1 Overdue"
            },
            {
              "url" : "statement",
              "valueString" : "/*\n@dynamicValue: Meningococcal dose 1 Overdue\n@pseudocode: \"Date of birth\" + 18 months\n*/\ndefine \"Meningococcal dose 1 Overdue\":\n  if \"Meningococcal dose 1\" then Patient.birthDate + 18 months\n  else null"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 10
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "IMMZD18SMeningococcalMenAConjugateVaccine1DoseLogic"
            },
            {
              "url" : "name",
              "valueString" : "Meningococcal dose 1 Create"
            },
            {
              "url" : "statement",
              "valueString" : "/*\n@output: Meningococcal dose 1 Create\n@create: For MenA conjugate vaccine (5µg), a 1-dose schedule is recommended at 9–18 months of age\n*/\ndefine \"Meningococcal dose 1 Create\":\n  if \"Meningococcal dose 1\"\n  then 'For MenA conjugate vaccine (5µg), a 1-dose schedule is recommended at 9–18 months of age' + '\nDue Date: ' + ToString(\"Meningococcal dose 1 Due Date\") + '\nOverdue: ' + ToString(\"Meningococcal dose 1 Overdue\")\n  else ''"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 11
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "IMMZCommon"
            },
            {
              "url" : "name",
              "valueString" : "seriesPrimary"
            },
            {
              "url" : "statement",
              "valueString" : "/**\n * @description: Gets the doses from the primary series\n */\ndefine fluent function seriesPrimary(immunizations List<Immunization>):\n  immunizations I where\n    exists( I.protocolApplied pa where pa.series = 'Primary series' )"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 12
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "FHIRHelpers"
            },
            {
              "url" : "name",
              "valueString" : "ToString"
            },
            {
              "url" : "statement",
              "valueString" : "define function ToString(value string): value.value"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 13
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "FHIRHelpers"
            },
            {
              "url" : "name",
              "valueString" : "ToString"
            },
            {
              "url" : "statement",
              "valueString" : "define function ToString(value ImmunizationStatus): value.value"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 14
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "FHIRHelpers"
            },
            {
              "url" : "name",
              "valueString" : "ToBoolean"
            },
            {
              "url" : "statement",
              "valueString" : "define function ToBoolean(value boolean): value.value"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 15
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "FHIRHelpers"
            },
            {
              "url" : "name",
              "valueString" : "ToConcept"
            },
            {
              "url" : "statement",
              "valueString" : "define function ToConcept(concept FHIR.CodeableConcept):\n    if concept is null then\n        null\n    else\n        System.Concept {\n            codes: concept.coding C return ToCode(C),\n            display: concept.text.value\n        }"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 16
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "FHIRHelpers"
            },
            {
              "url" : "name",
              "valueString" : "ToCode"
            },
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              "url" : "statement",
              "valueString" : "define function ToCode(coding FHIR.Coding):\n    if coding is null then\n        null\n    else\n        System.Code {\n          code: coding.code.value,\n          system: coding.system.value,\n          version: coding.version.value,\n          display: coding.display.value\n        }"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 17
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        },
        {
          "extension" : [
            {
              "url" : "libraryName",
              "valueString" : "FHIRHelpers"
            },
            {
              "url" : "name",
              "valueString" : "ToDate"
            },
            {
              "url" : "statement",
              "valueString" : "define function ToDate(value date): value.value"
            },
            {
              "url" : "displaySequence",
              "valueInteger" : 18
            }
          ],
          "url" : "http://hl7.org/fhir/StructureDefinition/cqf-logicDefinition"
        }
      ],
      "name" : "EffectiveDataRequirements",
      "status" : "active",
      "type" : {
        "coding" : [
          {
            "system" : "http://terminology.hl7.org/CodeSystem/library-type",
            "code" : "module-definition"
          }
        ]
      },
      "relatedArtifact" : [
        {
          "type" : "depends-on",
          "display" : "FHIR model information",
          "resource" : "http://fhir.org/guides/cqf/common/Library/FHIR-ModelInfo|4.0.1"
        },
        {
          "type" : "depends-on",
          "display" : "Library Encounter",
          "resource" : "http://smart.who.int/immunizations/Library/IMMZD2DTMeningococcalEncounterElements"
        },
        {
          "type" : "depends-on",
          "display" : "Library Common",
          "resource" : "http://smart.who.int/immunizations/Library/IMMZCommon"
        },
        {
          "type" : "depends-on",
          "display" : "Library FHIRHelpers",
          "resource" : "http://fhir.org/guides/cqf/common/Library/FHIRHelpers|4.0.1"
        },
        {
          "type" : "depends-on",
          "display" : "Library Encounter",
          "resource" : "http://smart.who.int/immunizations/Library/IMMZEncounterElements"
        },
        {
          "type" : "depends-on",
          "display" : "Library Elements",
          "resource" : "http://smart.who.int/immunizations/Library/IMMZElements"
        },
        {
          "type" : "depends-on",
          "display" : "Library WC",
          "resource" : "http://smart.who.int/immunizations/Library/WHOCommon"
        },
        {
          "type" : "depends-on",
          "display" : "Library FHIRHelpers",
          "resource" : "http://fhir.org/guides/cqf/common/Library/FHIRHelpers|4.0.1"
        },
        {
          "type" : "depends-on",
          "display" : "Library Concepts",
          "resource" : "http://smart.who.int/immunizations/Library/IMMZConcepts"
        },
        {
          "type" : "depends-on",
          "display" : "Value set Meningococcal vaccines",
          "resource" : "http://smart.who.int/immunizations/ValueSet/IMMZ.Z.DE10"
        }
      ],
      "parameter" : [
        {
          "name" : "Today",
          "use" : "in",
          "min" : 0,
          "max" : "1",
          "type" : "date"
        },
        {
          "name" : "Meningococcal dose 1",
          "use" : "out",
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            🔗 "http://hl7.org/fhir/StructureDefinition/Immunization"
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        },
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  "date" : "2026-03-03T13:07:11+00:00",
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}