{

"resourceType": "ActivityDefinition",
"id": "administer-zika-virus-exposure-assessment",
"url": "http://example.org/ActivityDefinition/administer-zika-virus-exposure-assessment",
"status": "draft",
"description": "Administer Zika Virus Exposure Assessment",
"useContext": [
  {
    "code": {
      "system": "http://terminology.hl7.org/CodeSystem/usage-context-type",
      "code": "age"
    },
    "valueRange": {
      "low": {
        "value": 12,
        "unit": "a"
      }
    }
  }
],
"relatedArtifact": [
  {
    "type": "derived-from",
    "url": "https://www.cdc.gov/zika/hc-providers/pregnant-woman.html"
  },
  {
    "type": "depends-on",
    "resource": "Questionnaire/zika-virus-exposure-assessment"
  }
],
"library": [
  "Library/zika-virus-intervention-logic"
],
"kind": "ServiceRequest",
"code": {
  "coding": [
    {
      "system": "http://example.org/questionnaires",
      "code": "zika-virus-exposure-assessment"
    }
  ]
},
"timingTiming": {
  "_event": [
    {
      "extension": [
        {
          "url": "http://hl7.org/fhir/StructureDefinition/cqf-expression",
          "valueExpression": {
            "language": "text/cql",
            "expression": "Now()"
          }
        }
      ]
    }
  ]
},
"participant": [
  {
    "type": "practitioner"
  }
]

}