Open Syndrome Influenza-Like Illness (ILI) Africa CDC
Table of Contents
Authors: Africa CDC
Location: Africa
Purpose #
The definition #
An acute respiratory infection with: • measured fever of ≥ 38 °C • and cough • with onset within the last 10 days
Machine-readable definition #
The definition is available in JSON format following the Open Syndrome v1.0 specification:
{
"category": "suspected",
"definition_type": "case_definition",
"description": "",
"human_readable_definition": "An acute respiratory infection with:\n•\nmeasured fever of ≥ 38 °C\n•\nand cough\n•\nwith onset within the last 10 days",
"inclusion_criteria": [
{
"logical_operator": "AND",
"type": "criterion",
"values": [
{
"attribute": "body_temperature",
"name": "Measured fever",
"operator": "\u003e=",
"type": "symptom",
"unit": "degrees Celsius",
"value": 38
},
{
"name": "Cough",
"type": "symptom"
},
{
"name": "Onset within the last 10 days",
"type": "symptom"
}
]
}
],
"keywords": [
"Influenza-like illness",
"Africa"
],
"language": "English",
"location": "Africa",
"open_syndrome_version": "1.0.0",
"organization": "Africa CDC",
"published_at": "2025-02-08T19:20:46Z",
"published_by": [
"Open Syndrome Initiative"
],
"published_in": "https://opensyndrome.org",
"references": [
{
"url": "https://au.int/sites/default/files/documents/38350-doc-protocol_for_enhanced_sari_and_ili_surveillance_for_covid-19_in_africa_eng.pdf"
}
],
"scope": "broad",
"status": "draft",
"target_public_health_threats": [
"Influenza-like illness"
],
"title": "Open Syndrome Influenza-Like Illness (ILI) Africa CDC",
"version": "1.0.0"
}
Using the Definition #
Healthcare organizations can implement this definition through:
- Direct integration with surveillance systems
- API endpoints for real-time validation
- Manual case verification processes
Next Steps #
We encourage:
- Clinical feedback on the definition criteria
- Technical feedback on the implementation format
- Suggestions for additional symptoms or signs
- Reports of implementation experiences
Get Involved #
We welcome contributions and feedback from the community.