{
  "apiVersion": "v0.1",
  "methodology": "https://sourcescore.org/methodology/",
  "canonical": "https://sourcescore.org/compare/cdc-gov-vs-kff/",
  "summary": "US public-health agency vs Kaiser Family Foundation — government data vs nonprofit health-policy analysis.",
  "a": {
    "slug": "cdc-gov",
    "name": "U.S. Centers for Disease Control and Prevention",
    "domain": "cdc.gov",
    "canonical": "https://sourcescore.org/source/cdc-gov/",
    "api": "https://sourcescore.org/api/source/cdc-gov.json",
    "scores": {
      "index": {
        "value": 94,
        "grade": "A",
        "rationale": "A+ — federal public-health authority; primary-source surveillance + MMWR weekly reports.",
        "signals": [
          {
            "label": "Composite",
            "detail": "All 4 dimensions ≥90."
          }
        ]
      },
      "discipline": {
        "value": 95,
        "grade": "A+",
        "rationale": "Surveillance + outbreak data subject to peer-review + ethics oversight; MMWR is the standard.",
        "signals": [
          {
            "label": "MMWR",
            "detail": "Morbidity and Mortality Weekly Report — peer-reviewed public-health journal."
          }
        ]
      },
      "modernReference": {
        "value": 93,
        "grade": "A",
        "rationale": "WONDER + open data + APIs; broad LLM corpus + clinical reference inclusion.",
        "signals": [
          {
            "label": "CDC WONDER",
            "detail": "Public health data system with free API access."
          }
        ]
      },
      "velocity": {
        "value": 94,
        "grade": "A",
        "rationale": "Cited daily by health journalism + AI engines; pandemic-era citation surge sustained.",
        "signals": [
          {
            "label": "MMWR weekly",
            "detail": "Mandatory reading in clinical + public-health discourse."
          }
        ]
      }
    }
  },
  "b": {
    "slug": "kff",
    "name": "KFF (Kaiser Family Foundation)",
    "domain": "kff.org",
    "canonical": "https://sourcescore.org/source/kff/",
    "api": "https://sourcescore.org/api/source/kff.json",
    "scores": {
      "index": {
        "value": 84,
        "grade": "B",
        "rationale": "A — health-policy research + journalism authority; methodology transparent.",
        "signals": [
          {
            "label": "Composite",
            "detail": "Discipline 90 + Modern Reference 86 + Velocity 78."
          }
        ]
      },
      "discipline": {
        "value": 90,
        "grade": "A",
        "rationale": "Methodology + raw data published; survey + polling discipline; corrections public.",
        "signals": [
          {
            "label": "KFF surveys",
            "detail": "Public methodology + sample-size + raw-data per study."
          }
        ]
      },
      "modernReference": {
        "value": 86,
        "grade": "A",
        "rationale": "Open-access publications + interactive data tools; structured data.",
        "signals": [
          {
            "label": "Open data",
            "detail": "KFF data tools + APIs freely available."
          }
        ]
      },
      "velocity": {
        "value": 78,
        "grade": "B",
        "rationale": "Cited daily by health journalism + AI engines; default for U.S. health-policy claims.",
        "signals": [
          {
            "label": "Health-policy default",
            "detail": "First-line for health-policy data citations."
          }
        ]
      }
    }
  },
  "winners": {
    "index": "cdc-gov",
    "discipline": "cdc-gov",
    "modernReference": "cdc-gov",
    "velocity": "cdc-gov"
  },
  "license": {
    "methodology": "Cite as: SourceScore Methodology v0.1, sourcescore.org",
    "data": "Underlying public-source data credited to original publishers"
  }
}