<Observation xmlns="http://hl7.org/fhir" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://hl7.org/fhir ../fhir-all-xsd/observation.xsd">
  <id value="demo-observation-1-1" />
  <status value="final" />
  <code>
    <coding>
      <system value="http://loinc.org" />
      <code value="75325-1" />
      <display value="symptom" />
    </coding>
  </code>
  <subject>
    <reference value="Patient/demo-patient-1" />
  </subject>
  <valueString value="Acute attacks which are triggered by cold weather, pollen and house dust mite, as well as viral respiratory tract infections." />
</Observation>