WHO Immunization Implementation Guide
1.0.0 - release
WHO Immunization Implementation Guide
1.0.0 - release
WHO Immunization Implementation Guide, published by WHO. This guide is not an authorized publication; it is the continuous build for version 1.0.0 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/132/merge and changes regularly. See the Directory of published versions
| Draft as of 2026-03-31 |
{
"resourceType" : "Library",
"id" : "IMMZIND27Logic",
"meta" : {
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"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n<div>\n <table class=\"grid dict\">\n \n \n <tr>\n <th scope=\"row\"><b>Title: </b></th>\n <td style=\"padding-left: 4px;\">IMMZIND27Logic</td>\n </tr>\n \n\n \n \n <tr>\n <th scope=\"row\"><b>Id: </b></th>\n <td style=\"padding-left: 4px;\">IMMZIND27Logic</td>\n </tr>\n \n\n \n \n <tr>\n <th scope=\"row\"><b>Version: </b></th>\n <td style=\"padding-left: 4px;\">1.0.0</td>\n </tr>\n \n\n \n <tr>\n <th scope=\"row\"><b>Url: </b></th>\n <td style=\"padding-left: 4px;\"><a href=\"Library-IMMZIND27Logic.html\">IMMZIND27Logic</a></td>\n </tr>\n \n\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/7.1.0/CodeSystem-library-type.html\">http://terminology.hl7.org/CodeSystem/library-type</a></span>\n </p>\n \n \n <p style=\"margin-bottom: 5px;\">\n <b>code: </b> <span>logic-library</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;\">2026-03-31 13:54:17+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>This library defines population criteria logic for the IMMZ.IND.27 indicator in the Immunization CPG</p>\n</div></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\n \n <tr>\n <th scope=\"row\"><b>Related Artifacts: </b></th>\n <td style=\"padding-left: 4px;\">\n \n \n \n <p><b>Dependencies</b></p>\n <ul>\n \n <li><a href=\"Library-WHOCommon.html\">WHOCommon</a></li>\n \n <li><a href=\"Library-IMMZCommon.html\">IMMZCommon</a></li>\n \n <li><a href=\"Library-IMMZConcepts.html\">IMMZConcepts</a></li>\n \n <li><code>http://smart.who.int/immunizations/Library/IMMZIndicatorElements</code></li>\n \n <li><a href=\"Library-IMMZD2DTJEElements.html\">IMMZD2DTJEElements</a></li>\n \n </ul>\n \n \n \n \n \n </td>\n </tr>\n \n\n \n <tr>\n <th scope=\"row\"><b>Parameters: </b></th>\n <td style=\"padding-left: 4px;\">\n <table class=\"grid-dict\">\n <tr><th><b>Name</b></th><th><b>Type</b></th><th><b>Min</b></th><th><b>Max</b></th><th><b>In/Out</b></th></tr>\n \n <tr><th>Measurement Period</th><th>Period</th><th>0</th><th>1</th><th>In</th></tr>\n \n <tr><th>Patient</th><th>Patient</th><th>0</th><th>1</th><th>Out</th></tr>\n \n <tr><th>Initial Population</th><th>boolean</th><th>0</th><th>1</th><th>Out</th></tr>\n \n <tr><th>Denominator</th><th>boolean</th><th>0</th><th>1</th><th>Out</th></tr>\n \n <tr><th>Numerator</th><th>boolean</th><th>0</th><th>1</th><th>Out</th></tr>\n \n <tr><th>Stratification 1</th><th>string</th><th>0</th><th>1</th><th>Out</th></tr>\n \n <tr><th>Stratification 2</th><th>Coding</th><th>0</th><th>1</th><th>Out</th></tr>\n \n <tr><th>Stratification 3</th><th>Coding</th><th>0</th><th>1</th><th>Out</th></tr>\n \n <tr><th>Stratification 4</th><th>Coding</th><th>0</th><th>1</th><th>Out</th></tr>\n \n </table>\n </td>\n </tr>\n \n\n \n\n \n \n <tr>\n <td colspan=\"2\">\n <table>\n <tr><th><a id=\"cql-content\"><b>Content: </b></a> text/cql</th></tr>\n <tr><td><pre><code class=\"language-cql\">/*\n * Library: IMMZ.IND.27 Logic\n * Immunization coverage for JE vaccines\n * The percentage in the target population who have received Japanese encephalitis (JE) vaccine during the reporting period\n * \n * Numerator: Number of JE vaccine doses administered through routine services during the reporting period\n * Numerator Computation: COUNT of immunization events WHERE "Vaccine type" = "JE vaccines" AND "Date and time of vaccination" is during the reporting period\n * Denominator: Number in target group\n * Denominator Computation: As defined by the Member States\n * \n * Disaggregation\n * - Administrative area\n * - Sex\n * - Age in years\n * - Age group (depending on schedule)\n *\n * References: WHO/UNICEF joint reporting form (1)\n * WHO Immunization data portal (2)\n * WHO Immunization facility analysis guide (5)\n * WHO Handbook on immunization data (6)\n * \n * Annotations: The calculation for this indicator is in line with the administrative calculation provided on the WHO Immunization data portal.\n * As per WHO Immunization data portal, recommended denominator should be specified by Member States as recommended schedules may vary.\n */\nlibrary IMMZIND27Logic\n\nusing FHIR version '4.0.1'\n\ninclude FHIRHelpers version '4.0.1'\n\ninclude WHOCommon called WC\n\ninclude IMMZCommon called Common\ninclude IMMZConcepts called Concepts\ninclude IMMZIndicatorElements called Elements\n\ninclude IMMZD2DTJEElements called JE\n\nparameter "Measurement Period" Interval<Date> default Interval[@2025-01-01, @2025-12-31]\n\ncontext Patient\n\n/*\n * As defined by Member State\n */\ndefine "Initial Population":\n true\n\n/*\n@denominator: Number in target group\n@pseudocode: As defined by the Member States\n*/\ndefine "Denominator":\n true\n\n/*\n@numerator: Number of JE vaccine doses administered through routine services during the reporting period\n@pseudocode: COUNT of immunization events WHERE "Vaccine type" = "JE vaccines" AND "Date and time of vaccination" is during the reporting period\n*/\ndefine "Numerator":\n exists( JE."JE Doses Administered to Patient" I\n where I.occurrence.toInterval() starts during "Measurement Period" )\n\n/*\n@disaggregation: Administrative area\n Sex\n Age in years\n Age group (depending on schedule)\n*/\ndefine "Stratification 1":\n\tElements."By Geographic Region Stratifier"\n\ndefine "Stratification 2":\n\tElements."By Administrative Gender Stratifier"\n\ndefine "Stratification 3":\n\tElements."Age Stratifier"\n\ndefine "Stratification 4":\n\tElements."Infant By Age Stratifier"\n</code></pre></td></tr>\n </table>\n </td>\n </tr>\n \n \n \n </table>\n</div>\n</div>"
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],
"url" : "http://smart.who.int/immunizations/Library/IMMZIND27Logic",
"version" : "1.0.0",
"name" : "IMMZIND27Logic",
"title" : "IMMZIND27Logic",
"status" : "draft",
"experimental" : false,
"type" : {
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"date" : "2026-03-31T13:54:17+00:00",
"publisher" : "WHO",
"contact" : [
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"name" : "WHO",
"telecom" : [
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],
"description" : "This library defines population criteria logic for the IMMZ.IND.27 indicator in the Immunization CPG",
"relatedArtifact" : [
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"display" : "Library WC",
"resource" : "http://smart.who.int/immunizations/Library/WHOCommon"
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{
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"display" : "Library Common",
"resource" : "http://smart.who.int/immunizations/Library/IMMZCommon"
},
{
"type" : "depends-on",
"display" : "Library Concepts",
"resource" : "http://smart.who.int/immunizations/Library/IMMZConcepts"
},
{
"type" : "depends-on",
"display" : "Library Elements",
"resource" : "http://smart.who.int/immunizations/Library/IMMZIndicatorElements"
},
{
"type" : "depends-on",
"display" : "Library JE",
"resource" : "http://smart.who.int/immunizations/Library/IMMZD2DTJEElements"
}
],
"parameter" : [
{
"name" : "Measurement Period",
"use" : "in",
"min" : 0,
"max" : "1",
"type" : "Period"
},
{
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{
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"min" : 0,
"max" : "1",
"type" : "boolean"
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{
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"use" : "out",
"min" : 0,
"max" : "1",
"type" : "boolean"
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{
"name" : "Numerator",
"use" : "out",
"min" : 0,
"max" : "1",
"type" : "boolean"
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{
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"min" : 0,
"max" : "1",
"type" : "string"
},
{
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"min" : 0,
"max" : "1",
"type" : "Coding"
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{
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"max" : "1",
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{
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"use" : "out",
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"max" : "1",
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],
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