knowledge_base.json

{
  "symptom_to_icd": {
    "fever": ["R50.9"],
    "cough": ["R05"],
    "headache": ["R51"]
  },
  "icd_to_diagnosis": {
    "R50.9": "Fever, unspecified",
    "R05": "Cough",
    "R51": "Headache"
  }
}