{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T02:25:37Z",
    "providers": [
      "Claude"
    ],
    "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
    "pass": 2,
    "wave": 3,
    "engine": "claude"
  },
  "metaModel": {
    "id": "THING-Q133780",
    "registryId": "vr.tr.plague",
    "name": "plague",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "INF.KNW"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q133780/",
  "model": {
    "registry_id": "vr.tr.plague",
    "name": "plague",
    "purpose": "Let an agent explain plague and its forms in general terms from WHO and CDC sources, describe transmission, treatment and control, present historical pandemics with attribution, and route suspected cases to health authorities.",
    "definition": "An infectious disease caused by the bacterium Yersinia pestis, transmitted by fleas from rodents and between people, in bubonic form with swollen lymph nodes, septicaemic form and pneumonic form spread by droplets, with rarer presentations such as plague meningitis and cutaneous plague and a mild form called pestis minor; plague caused the Justinian pandemic, the Black Death and the third pandemic, persists in sylvatic rodent reservoirs on several continents with occasional urban outbreaks, and is treatable with antibiotics.",
    "what_it_is_for": "Not applicable; a disease.",
    "affordances": [
      "explain forms and transmission",
      "relay treatment and control",
      "present history with attribution",
      "route suspected cases"
    ],
    "distinguishing_features": [
      "Flea-borne zoonosis",
      "Three main forms",
      "Pandemic history",
      "Antibiotic treatable"
    ],
    "appearance": "Not a visible object; an acute febrile illness with buboes in the bubonic form.",
    "visual_identification": [
      "Yersinia pestis infection",
      "Bubonic, septicaemic, pneumonic and rarer forms; sylvatic and urban plague",
      "The word plague is also used loosely for other epidemics; typhus and anthrax are different diseases"
    ],
    "physical_properties": [
      {
        "quantity": "cases reported to WHO",
        "typical_range": "about 200-700",
        "unit": "per year",
        "note": "recent years"
      },
      {
        "quantity": "untreated bubonic fatality",
        "typical_range": "about 30-60",
        "unit": "percent",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "bubonic plague",
      "septicaemic plague",
      "pneumonic plague",
      "plague meningitis, cutaneous plague and pestis minor",
      "sylvatic plague in wild rodents",
      "urban plague outbreaks",
      "historical pandemics: Justinian, Black Death, third pandemic"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "yersiniosis",
        "why": "in registry terms"
      },
      {
        "relation": "is a kind of",
        "target": "pandemic and epidemic-prone diseases",
        "why": "in registry terms"
      },
      {
        "relation": "is caused by",
        "target": "Yersinia pestis",
        "why": "the bacterium"
      },
      {
        "relation": "is transmitted by",
        "target": "flea",
        "why": "from rodents"
      }
    ],
    "identifiers": [
      {
        "scheme": "ICD-11",
        "value_or_pattern": "1B93",
        "note": "plague"
      },
      {
        "scheme": "MeSH",
        "value_or_pattern": "D010930",
        "note": ""
      }
    ],
    "standards_and_regulation": [
      "WHO plague guidance and International Health Regulations",
      "Notifiable disease rules",
      "Biosafety rules for Yersinia pestis"
    ],
    "failure_modes_and_hazards": [
      "Delayed treatment with high mortality",
      "Pneumonic spread",
      "Agents giving personal medical or laboratory detail",
      "Confusing plague with other epidemics"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": []
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q133780: plague",
      "url": "https://www.wikidata.org/wiki/Q133780",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Plague (disease)",
      "url": "https://en.wikipedia.org/wiki/Plague_%28disease%29",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "help",
        "name": "Help",
        "description": "Suspected cases first.",
        "rationale": "Safety.",
        "layers": [
          {
            "id": "suspected",
            "name": "Suspected",
            "description": "Suspected cases.",
            "findings": [
              {
                "id": "suspected-finding",
                "name": "Suspected",
                "description": "Suspected.",
                "questions": [
                  {
                    "text": "What should be done if plague is suspected, per health authority guidance?",
                    "kind": "action"
                  },
                  {
                    "text": "Is the user describing a possible case, which needs immediate contact with health services?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "treatment",
            "name": "Treatment",
            "description": "Treatment.",
            "findings": [
              {
                "id": "treatment-finding",
                "name": "Treatment",
                "description": "Treatment.",
                "questions": [
                  {
                    "text": "How is plague diagnosed and treated with antibiotics, in general terms?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "understand",
        "name": "Understand",
        "description": "The disease.",
        "rationale": "Clinical.",
        "layers": [
          {
            "id": "forms",
            "name": "Forms",
            "description": "Forms and transmission.",
            "findings": [
              {
                "id": "forms-finding",
                "name": "Forms",
                "description": "Forms.",
                "questions": [
                  {
                    "text": "What are the forms of plague, and how is each transmitted?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about plague or another disease called plague loosely?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "ecology",
            "name": "Ecology",
            "description": "Reservoirs and ecology.",
            "findings": [
              {
                "id": "ecology-finding",
                "name": "Ecology",
                "description": "Ecology.",
                "questions": [
                  {
                    "text": "Where does plague persist in sylvatic reservoirs, and how do urban outbreaks arise?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the specific region?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "control",
        "name": "Control",
        "description": "Prevention and control.",
        "rationale": "Public health.",
        "layers": [
          {
            "id": "prevention",
            "name": "Prevention",
            "description": "Prevention.",
            "findings": [
              {
                "id": "prevention-finding",
                "name": "Prevention",
                "description": "Prevention.",
                "questions": [
                  {
                    "text": "How are plague outbreaks prevented and controlled through rodent and flea control and surveillance?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "outbreaks",
            "name": "Outbreaks",
            "description": "Recent outbreaks.",
            "findings": [
              {
                "id": "outbreaks-finding",
                "name": "Outbreaks",
                "description": "Outbreaks.",
                "questions": [
                  {
                    "text": "What recent outbreaks have occurred, such as in Madagascar, as reported?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the specific outbreak?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "history",
        "name": "History",
        "description": "History.",
        "rationale": "Attribution.",
        "layers": [
          {
            "id": "pandemics",
            "name": "Pandemics",
            "description": "Historical pandemics.",
            "findings": [
              {
                "id": "pandemics-finding",
                "name": "Pandemics",
                "description": "Pandemics.",
                "questions": [
                  {
                    "text": "How do historians and geneticists describe the Justinian plague, the Black Death and the third pandemic?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the specific pandemic?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "science",
            "name": "Science",
            "description": "Scientific history.",
            "findings": [
              {
                "id": "science-finding",
                "name": "Science",
                "description": "Science.",
                "questions": [
                  {
                    "text": "How were the bacterium and flea transmission discovered by Yersin, Kitasato and Simond?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the history of microbiology?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should the Black Death and pneumonic plague be separate primary entries?",
    "How should WHO guidance be linked?",
    "The registry entry has merged aliases naming forms and ecological settings; should they be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}