{"id":"historical","identifier":[{"system":"urn:ietf:rfc:3986","value":"urn:oid:1.3.6.1.4.1.21367.2005.3.7.1234"}],"informationSource":{"concept":{"coding":[{"code":"record","system":"http://terminology.hl7.org/CodeSystem/immunization-origin"}],"text":"Written Record"}},"location":{"reference":"Location/1"},"note":[{"text":"Notes on adminstration of a historical vaccine"}],"occurrenceString":"January 2012","patient":{"reference":"Patient/example"},"primarySource":false,"resourceType":"Immunization","status":"completed","vaccineCode":{"coding":[{"code":"GNFLU","system":"urn:oid:1.2.36.1.2001.1005.17"}],"text":"Influenza"}}