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 |
<Library xmlns="http://hl7.org/fhir">
<id value="IMMZD18SVaricella1DoseLogic"/>
<meta>
<profile
value="http://hl7.org/fhir/uv/crmi/StructureDefinition/crmi-shareablelibrary"/>
<profile
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<text>
<status value="extensions"/>
<div xmlns="http://www.w3.org/1999/xhtml">
<div>
<table class="grid dict">
<tr>
<th scope="row"><b>Title: </b></th>
<td style="padding-left: 4px;">IMMZD18SVaricella1DoseLogic</td>
</tr>
<tr>
<th scope="row"><b>Id: </b></th>
<td style="padding-left: 4px;">IMMZD18SVaricella1DoseLogic</td>
</tr>
<tr>
<th scope="row"><b>Version: </b></th>
<td style="padding-left: 4px;">1.0.0</td>
</tr>
<tr>
<th scope="row"><b>Url: </b></th>
<td style="padding-left: 4px;"><a href="Library-IMMZD18SVaricella1DoseLogic.html">IMMZD18SVaricella1DoseLogic</a></td>
</tr>
<tr>
<th scope="row"><b>Status: </b></th>
<td style="padding-left: 4px;">draft</td>
</tr>
<tr>
<th scope="row"><b>Type: </b></th>
<td style="padding-left: 4px;">
<p style="margin-bottom: 5px;">
<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>
</p>
<p style="margin-bottom: 5px;">
<b>code: </b> <span>logic-library</span>
</p>
</td>
</tr>
<tr>
<th scope="row"><b>Date: </b></th>
<td style="padding-left: 4px;">2026-03-31 13:54:17+0000</td>
</tr>
<tr>
<th scope="row"><b>Publisher: </b></th>
<td style="padding-left: 4px;">WHO</td>
</tr>
<tr>
<th scope="row"><b>Description: </b></th>
<td style="padding-left: 4px;"><div><p>This library defines decision support logic for the IMMZ.D18.S.Varicella.1-dose schedule table in the Immunization CPG</p>
</div></td>
</tr>
<tr>
<th scope="row"><b>Related Artifacts: </b></th>
<td style="padding-left: 4px;">
<p><b>Dependencies</b></p>
<ul>
<li><a href="Library-WHOCommon.html">WHOCommon</a></li>
<li><a href="Library-IMMZCommon.html">IMMZCommon</a></li>
<li><a href="Library-IMMZConcepts.html">IMMZConcepts</a></li>
<li><a href="Library-IMMZEncounterElements.html">IMMZEncounterElements</a></li>
<li><a href="Library-IMMZD2DTVaricellaEncounterElements.html">IMMZD2DTVaricellaEncounterElements</a></li>
</ul>
</td>
</tr>
<tr>
<th scope="row"><b>Parameters: </b></th>
<td style="padding-left: 4px;">
<table class="grid-dict">
<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>
<tr><th>Today</th><th>date</th><th>0</th><th>1</th><th>In</th></tr>
<tr><th>Patient</th><th>Patient</th><th>0</th><th>1</th><th>Out</th></tr>
<tr><th>One varicella dose from primary series was administered. The primary series has been completed</th><th>boolean</th><th>0</th><th>1</th><th>Out</th></tr>
<tr><th>Varicella dose 1</th><th>boolean</th><th>0</th><th>1</th><th>Out</th></tr>
<tr><th>Varicella dose 1 Due Date</th><th>date</th><th>0</th><th>1</th><th>Out</th></tr>
<tr><th>Varicella dose 1 Overdue</th><th>date</th><th>0</th><th>1</th><th>Out</th></tr>
<tr><th>Varicella dose 1 Create</th><th>string</th><th>0</th><th>1</th><th>Out</th></tr>
<tr><th>Varicella dose 1 Expiration</th><th>Resource</th><th>0</th><th>1</th><th>Out</th></tr>
<tr><th>Test Validation</th><th>Resource</th><th>0</th><th>1</th><th>Out</th></tr>
</table>
</td>
</tr>
<tr>
<td colspan="2">
<table>
<tr><th><a id="cql-content"><b>Content: </b></a> text/cql</th></tr>
<tr><td><pre><code class="language-cql">/*
* Library: IMMZD18SVaricella1DoseLogic (IMMZ.D18.S.Varicella.1-dose schedule)
* Schedule Table: 1-dose schedule
*/
library IMMZD18SVaricella1DoseLogic
using FHIR version '4.0.1'
include FHIRHelpers version '4.0.1'
include WHOCommon called WC
include IMMZCommon called Common
include IMMZConcepts called Concepts
include IMMZEncounterElements called IE
include IMMZD2DTVaricellaEncounterElements called Encounter
parameter Today Date default Today()
context Patient
/*
@output: Varicella dose 1
@description: Provision of the varicella dose 1
@trigger: Child's birth
@pseudo:
@triggerDate: "Date of birth"
*/
define "Varicella dose 1":
Encounter."No varicella primary series dose was administered"
and not "One varicella dose from primary series was administered. The primary series has been completed"
/*
@output: Varicella dose 1 Create
@create: 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.
*/
define "Varicella dose 1 Create":
if "Varicella dose 1"
then '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.' + '
Due Date: ' + ToString("Varicella dose 1 Due Date") + '
Overdue: ' + ToString("Varicella dose 1 Overdue")
else ''
/*
@dynamicValue: Varicella dose 1 Due Date
@pseudocode: "Date of birth" + 12 months
*/
define "Varicella dose 1 Due Date":
if "Varicella dose 1" then Patient.birthDate + 12 months
else null
/*
@dynamicValue: Varicella dose 1 Overdue
@pseudocode: "Date of birth" + 18 months
*/
define "Varicella dose 1 Overdue":
if "Varicella dose 1" then Patient.birthDate + 18 months
else null
/*
@dynamicValue: Varicella dose 1 Expiration
@pseudocode: To be determined by Member States; however, there is no recommended expiration date and individuals are always eligible to be vaccinated.
*/
define "Varicella dose 1 Expiration":
null
/*
@complete: One varicella dose from primary series was administered. The primary series has been completed
@pseudocode: "Completed the primary vaccination series" = TRUE (where "Vaccine type" = "Varicella-containing vaccines")
*/
define "One varicella dose from primary series was administered. The primary series has been completed":
Encounter."One varicella primary series dose was administered"
/*
@test: Test expected results based on example patients
*/
define "Test Validation":
case
when Patient.id = 'Varicella09.1' then "Varicella dose 1"
when Patient.id = 'Varicella10.3' then "Varicella dose 1"
when Patient.id = 'Varicella11.3' then "Varicella dose 1"
when Patient.id = 'Varicella12.1' then "One varicella dose from primary series was administered. The primary series has been completed"
else 'No test case set'
end
</code></pre></td></tr>
</table>
</td>
</tr>
</table>
</div>
</div>
</text>
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<url
value="http://smart.who.int/immunizations/Library/IMMZD18SVaricella1DoseLogic"/>
<version value="1.0.0"/>
<name value="IMMZD18SVaricella1DoseLogic"/>
<title value="IMMZD18SVaricella1DoseLogic"/>
<status value="draft"/>
<experimental value="false"/>
<type>
<coding>
<system value="http://terminology.hl7.org/CodeSystem/library-type"/>
<code value="logic-library"/>
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<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>
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<description
value="This library defines decision support logic for the IMMZ.D18.S.Varicella.1-dose schedule table in the Immunization CPG"/>
<relatedArtifact>
<type value="depends-on"/>
<display value="Library WC"/>
<resource value="http://smart.who.int/immunizations/Library/WHOCommon"/>
</relatedArtifact>
<relatedArtifact>
<type value="depends-on"/>
<display value="Library Common"/>
<resource value="http://smart.who.int/immunizations/Library/IMMZCommon"/>
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<relatedArtifact>
<type value="depends-on"/>
<display value="Library Concepts"/>
<resource
value="http://smart.who.int/immunizations/Library/IMMZConcepts"/>
</relatedArtifact>
<relatedArtifact>
<type value="depends-on"/>
<display value="Library IE"/>
<resource
value="http://smart.who.int/immunizations/Library/IMMZEncounterElements"/>
</relatedArtifact>
<relatedArtifact>
<type value="depends-on"/>
<display value="Library Encounter"/>
<resource
value="http://smart.who.int/immunizations/Library/IMMZD2DTVaricellaEncounterElements"/>
</relatedArtifact>
<parameter>
<name value="Today"/>
<use value="in"/>
<min value="0"/>
<max value="1"/>
<type value="date"/>
</parameter>
<parameter>
<name value="Patient"/>
<use value="out"/>
<min value="0"/>
<max value="1"/>
<type value="Patient"/>
</parameter>
<parameter>
<name
value="One varicella dose from primary series was administered. The primary series has been completed"/>
<use value="out"/>
<min value="0"/>
<max value="1"/>
<type value="boolean"/>
</parameter>
<parameter>
<name value="Varicella dose 1"/>
<use value="out"/>
<min value="0"/>
<max value="1"/>
<type value="boolean"/>
</parameter>
<parameter>
<name value="Varicella dose 1 Due Date"/>
<use value="out"/>
<min value="0"/>
<max value="1"/>
<type value="date"/>
</parameter>
<parameter>
<name value="Varicella dose 1 Overdue"/>
<use value="out"/>
<min value="0"/>
<max value="1"/>
<type value="date"/>
</parameter>
<parameter>
<name value="Varicella dose 1 Create"/>
<use value="out"/>
<min value="0"/>
<max value="1"/>
<type value="string"/>
</parameter>
<parameter>
<name value="Varicella dose 1 Expiration"/>
<use value="out"/>
<min value="0"/>
<max value="1"/>
<type value="Resource"/>
</parameter>
<parameter>
<name value="Test Validation"/>
<use value="out"/>
<min value="0"/>
<max value="1"/>
<type value="Resource"/>
</parameter>
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