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

Library: IMMZD2DTYellowfeverElements

Official URL: http://smart.who.int/immunizations/Library/IMMZD2DTYellowfeverElements Version: 0.2.0
Draft as of 2025-08-08 Computable Name: IMMZD2DTYellowfeverElements

This library defines context-independent elements for Yellow fever used throughout the Immunization CPG

Title: IMMZD2DTYellowfeverElements
Id: IMMZD2DTYellowfeverElements
Version: 0.2.0
Url: IMMZD2DTYellowfeverElements
Status: draft
Type:

system: http://terminology.hl7.org/CodeSystem/library-type

code: logic-library

Date: 2025-08-08 19:12:11+0000
Publisher: WHO
Description:

This library defines context-independent elements for Yellow fever used throughout the Immunization CPG

Related Artifacts:

Dependencies

Parameters:
NameTypeMinMaxIn/Out
PatientPatient01Out
Yellow fever Doses Administered to PatientImmunization0*Out
Yellow fever Primary Series Doses Administered to PatientImmunization0*Out
Number of Yellow fever Primary Series Doses Administeredinteger01Out
No yellow fever primary series doses were administeredboolean01Out
One yellow fever primary series dose was administeredboolean01Out
Client's age is less than 9 monthsboolean01Out
Client's age is more than or equal to 9 monthsboolean01Out
Live vaccine was administered in the past 4 weeksboolean01Out
No live vaccine was administered in the past 4 weeksboolean01Out
Content: text/cql

/*
  * Library: IMMZD2DTYellowfeverElements
  */
library IMMZD2DTYellowfeverElements

using FHIR version '4.0.1'
include FHIRHelpers version '4.0.1'

include WHOConcepts
include WHOCommon called WC
include WHOElements called WE

include IMMZCommon called Common
include IMMZConcepts called Concepts
include IMMZElements called Elements

context Patient

/*
@internal: Yellow fever containing Doses Administered to Patient
*/
define "Yellow fever Doses Administered to Patient":
  Elements."Doses Administered to Patient" I
  where
    I.vaccineCode in Concepts."Yellow fever vaccines"

/*
@internal: Yellow fever containing Doses Administered to Patient that are in the Primary series
*/
define "Yellow fever Primary Series Doses Administered to Patient":
  "Yellow fever Doses Administered to Patient".seriesPrimary()

/*
@internal: Number of Yellow fever Primary Series doses
*/
define "Number of Yellow fever Primary Series Doses Administered":
  Count("Yellow fever Primary Series Doses Administered to Patient")

/*
@input: No yellow fever primary series doses were administered
@pseudocode: Count of vaccines administered (where "Vaccine type" = "Yellow fever vaccines" and "Type of dose" = "Primary series") = 0
*/
define "No yellow fever primary series doses were administered":
  "Number of Yellow fever Primary Series Doses Administered" = 0

/*
@input: One yellow fever primary series dose was administered
@pseudocode: Count of vaccines administered (where "Vaccine type" = "Yellow fever vaccines" and "Type of dose" = "Primary series") = 1
*/
define "One yellow fever primary series dose was administered":
  "Number of Yellow fever Primary Series Doses Administered" = 1

/*
@input: Client's age is less than 9 months
@pseudocode: Today's date − "Date of birth" < 9 months
*/
define "Client's age is less than 9 months":
  Elements."Current Patient Age In Months" < 9

/*
@input: Client's age is more than or equal to 9 months
@pseudocode: Today's date − "Date of birth" ≥ 9 months
*/
define "Client's age is more than or equal to 9 months":
  Elements."Current Patient Age In Months" >= 9

/*
@input: Live vaccine was administered in the past 4 weeks
@pseudocode: Today's date − latest "Date and time of vaccination" (where "Live vaccine" = TRUE) < 4 weeks
*/
define "Live vaccine was administered in the past 4 weeks":
  Elements."Live vaccine was administered in the last 4 weeks"

/*
@input: No live vaccine was administered in the past 4 weeks
@pseudocode: Today's date − latest "Date and time of vaccination" (where "Live vaccine" = TRUE) ≥ 4 weeks
*/
define "No live vaccine was administered in the past 4 weeks":
  Elements."No live vaccine was administered in the last 4 weeks"

Content: application/elm+xml
Encoded data (25940 characters)