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  1. Case Definitions/

Open Syndrome Arbovirosis in General

Authors: Dirección General de Vigilancia de la Salud, Ministerio de Salud Pública y Bienestar Social, Ministry of Health and Social Welfare

Location: Paraguay

Purpose #

The definition #

Undifferentiated fever due to mosquito bite. Acute febrile syndrome with no apparent cause

Machine-readable definition #

The definition is available in JSON format following the Open Syndrome v1.0 specification:

{
   "authors": [
     "Dirección General de Vigilancia de la Salud",
     "Ministerio de Salud Pública y Bienestar Social"
   ],
   "category": "suspected",
   "definition_type": "case_definition",
   "description": "",
   "human_readable_definition": "Undifferentiated fever due to mosquito bite. Acute febrile syndrome with no apparent cause",
   "inclusion_criteria": [
     {
       "code": {
         "code": "A92.9",
         "system": "ICD-10"
       },
       "logical_operator": "AND",
       "type": "criterion",
       "values": [
         {
           "name": "Fever",
           "type": "symptom"
         },
         {
           "description": "Arthropod refers to insects or arachnids, such as mosquitoes",
           "name": "History of arthropod bite",
           "type": "professional_judgment"
         },
         {
           "description": "Fever persisting for more than 3 days without an identified cause",
           "name": "Acute fever of unknown origin (FUO)",
           "type": "symptom"
         }
       ]
     }
   ],
   "keywords": [
     "arbovirosis",
     "Latin America"
   ],
   "language": "English",
   "location": "Paraguay",
   "notes": [
     "Human-readable definition was automatically translated from Spanish to English."
   ],
   "open_syndrome_version": "1.0.0",
   "organization": "Ministry of Health and Social Welfare",
   "published_at": "2025-01-29T12:00:00Z",
   "published_by": [
     "Open Syndrome Initiative"
   ],
   "published_in": "https://opensyndrome.org",
   "references": [
     {
       "title": "Guía Nacional de Vigilancia y Control de Eventos de Notificación Obligatoria. Sistema Nacional de Vigilancia Epidemiológica. Paraguay, 2022",
       "url": "https://dgvs.mspbs.gov.py/files/guiaNacional/Guia_de_Vigilancia_2022_act_28_julio.pdf"
     }
   ],
   "scope": "broad",
   "status": "draft",
   "target_public_health_threats": [
     "arbovirosis"
   ],
   "title": "Open Syndrome Arbovirosis in General",
   "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.