This value set includes codes based on the following rules:

• Include these codes as defined in http://loinc.org version 20200909

  Code	Display
  8310-5	Body temperature
  66413-6	Country of exposure sequence [PhenX]
  67723-7	Date of health-related event
  56831-1	Problem associated signs and symptoms

• Include these codes as defined in http://snomed.info/sct version http://snomed.info/sct/731000124108/version/20200901

  Code	Display
  418307001	Exposure to biological agent