{
  "x-provenance": {
    "generated": "2026-08-19",
    "method": "probed",
    "source": "https://api.delphi.cmu.edu/epidata/fluview/?regions=nat&epiweeks=202001",
    "authorship": "Captured live by API Evangelist from the institution-operated endpoint named in source; payload truncated for size, values unedited."
  },
  "example": {
    "epidata": [
      {
        "release_date": "2021-10-08",
        "region": "nat",
        "issue": 202139,
        "epiweek": 202001,
        "lag": 91,
        "num_ili": 88731,
        "num_patients": 1426691,
        "num_providers": 2970,
        "num_age_0": 21594,
        "num_age_1": 23392,
        "num_age_2": null,
        "num_age_3": 27655,
        "num_age_4": 9209,
        "num_age_5": 6881,
        "wili": 5.90066,
        "ili": 6.21936
      }
    ],
    "result": 1,
    "message": "success"
  }
}