{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T11:55:51Z",
    "providers": [
      "Codex"
    ],
    "breadth": "recalled by Codex without web access - no source was read",
    "missingProviders": [],
    "pass": 2,
    "cost": {
      "grok": {
        "seconds": 22.7,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a09578-21f2-7c30-818b-4f816faa983b\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: Parvovirus\nSense to describe: (none recorded)\nDomain code: XCT.STA\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 044: 1001 regi",
        "usd": 0.0,
        "recall": true
      },
      "codex": {
        "seconds": 78.6,
        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a09578-21f0-7ed2-91ea-4a7af2d66cd4\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Parvovirus\nRegistry id: vr.tr.parvovirus\nPlane / domain: XCT / XCT.STA\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCo"
      }
    },
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T08:46:50+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "failure_modes_and_hazards",
        "owners"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-07T11:05:47+00:00",
        "engine": "codex",
        "fields": [
          "definition",
          "scope_statement"
        ],
        "answering_review": "e32a692ba299e1fbb288aa5d4956c4b9a5676499de47c190c2b0fd7e872243ef"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:16:28+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q12043883",
    "registryId": "vr.tr.parvovirus",
    "name": "Parvovirus",
    "version": "0.1.0-research.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "XCT.STA"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q12043883/",
  "model": {
    "registry_id": "vr.tr.parvovirus",
    "name": "Parvovirus",
    "purpose": "Enable an agent to resolve what 'Parvovirus' denotes, assess evidence about the identified virus, and select host-appropriate information and actions.",
    "definition": "Parvovirus denotes a historical genus of small, non-enveloped animal viruses with linear single-stranded DNA genomes; its membership must be interpreted within the relevant taxonomic classification, rather than treating it as the informal name for any member of the family Parvoviridae.",
    "scope_statement": "This model covers the historical genus Parvovirus, its taxonomic identity, virus-level properties and relationships to subsequent classifications, while distinguishing the genus from informal family-wide usage and disease names.",
    "in_scope": [
      "Resolution of the registry label against taxonomic and common-name usage",
      "Parvovirus genome and capsid characteristics relevant to identification",
      "Virus-specific host associations and replication requirements",
      "Interpretation of detection, infectivity, and disease-association evidence",
      "Evidence needed to select applicable surveillance and control guidance"
    ],
    "out_of_scope": [
      "Individual human or animal infection episodes and treatment plans",
      "Complete models of diseases associated with particular parvoviruses",
      "Host organism anatomy, immunity, and population management",
      "Laboratory assay procedures and instrument operation",
      "Vaccine products, disinfectant products, and their manufacturing processes",
      "Engineered viral vector design and production"
    ],
    "distinguishing_features": [
      "Resolve the named referent before equating 'Parvovirus' with human parvovirus B19, canine parvovirus, or a disease label.",
      "Check for the characteristic combination of a non-enveloped particle and linear single-stranded DNA; these features support identification but do not independently establish taxonomic membership. [ICTV Parvoviridae report](https://ictv.global/report/chapter/parvoviridae/parvoviridae)",
      "Require taxon-specific evidence when distinguishing a parvovirus from another small DNA virus.",
      "Distinguish a virus taxon from a physical isolate, a detected sequence, and an infected host.",
      "Test whether a capitalized taxonomic name belongs to a historical classification before assigning it a current rank."
    ],
    "characteristics": [
      {
        "name": "Resolved referent",
        "kind": "category",
        "unit_or_values": "virus group | historical taxon | named virus | disease usage | unresolved",
        "why_it_matters": "Controls which biological claims can attach to the registry entry."
      },
      {
        "name": "Taxonomic assignment",
        "kind": "relation",
        "unit_or_values": "accepted taxon identifier, rank, authority, and classification release",
        "why_it_matters": "Prevents names from different classification versions being treated as equivalent."
      },
      {
        "name": "Genome configuration",
        "kind": "category",
        "unit_or_values": "nucleic-acid type, strandedness, topology, and segment count, with evidence",
        "why_it_matters": "Supports identification and comparison without turning a typical description into an absolute rule."
      },
      {
        "name": "Genome length",
        "kind": "measurement",
        "unit_or_values": "nucleotides, with accession and sequence-completeness status",
        "why_it_matters": "Allows comparison while separating complete genomes from partial detections."
      },
      {
        "name": "Capsid and envelope evidence",
        "kind": "category",
        "unit_or_values": "capsid description; envelope present | absent | unknown; method",
        "why_it_matters": "Contributes to identification and selection of applicable control evidence."
      },
      {
        "name": "Host association",
        "kind": "relation",
        "unit_or_values": "host taxon linked to detection, infection, replication, or transmission evidence",
        "why_it_matters": "Separates finding viral material in an organism from establishing it as a host."
      },
      {
        "name": "Replication dependency",
        "kind": "category",
        "unit_or_values": "documented cellular requirements; helper-virus requirement supported | not required in tested context | unresolved",
        "why_it_matters": "Prevents replication properties of one parvovirus being assigned to all others."
      },
      {
        "name": "Detection result",
        "kind": "state",
        "unit_or_values": "detected | not detected | inconclusive, qualified by target, specimen, method, and time",
        "why_it_matters": "Makes the evidential limits of a result visible."
      },
      {
        "name": "Infectivity evidence",
        "kind": "state",
        "unit_or_values": "demonstrated | not demonstrated under stated conditions | untested",
        "why_it_matters": "Prevents molecular detection being substituted for evidence of infectious virus."
      },
      {
        "name": "Control applicability",
        "kind": "relation",
        "unit_or_values": "identified virus and host linked to a sourced intervention and its tested conditions",
        "why_it_matters": "Restricts action recommendations to evidence that matches the actual setting."
      }
    ],
    "affordances": [
      "Disambiguate a parvovirus mention and request the missing host or taxonomic context.",
      "Link the registry entry to an existing authoritative model when its resolved referent is already covered.",
      "Compare a sequence or isolate identification with versioned taxonomic evidence.",
      "Separate detection, replication, infectivity, and disease claims in incoming records.",
      "Retrieve guidance matched to the identified virus, host, and exposure setting.",
      "Flag unsupported transfers of properties between different parvoviruses."
    ],
    "agent_conduct": {
      "may": [
        "Describe parvoviruses, the diseases they cause and vaccination from veterinary and medical sources.",
        "Point pet owners and patients to veterinarians or clinicians."
      ],
      "must_not": [
        "Diagnose parvovirus infection in a person or animal without a clinician or veterinarian.",
        "Advise home treatment for a sick puppy in place of veterinary care.",
        "Spread false claims about vaccines against it.",
        "Disclose a person's infection status without consent."
      ],
      "requires_human": [
        "Deciding whether to isolate or euthanize an infected animal."
      ]
    },
    "ethics": {
      "considerations": [
        "Canine parvovirus kills many unvaccinated puppies, often from low-income homes without veterinary access.",
        "Human parvovirus B19 infection in pregnancy can harm the unborn child."
      ],
      "affected_parties": [
        "Dogs and cats",
        "Pet owners",
        "Pregnant people"
      ]
    },
    "owners": {
      "steward": "Nobody owns a virus; veterinary and public health authorities monitor outbreaks.",
      "master_systems": []
    },
    "failure_modes_and_hazards": [
      "Highly resistant in the environment and spreads easily between animals.",
      "Severe infection in puppies causes dehydration and death."
    ],
    "what_it_is_for": [
      "The term parvovirus appears in human medicine, veterinary medicine and virology research for viruses associated with different animal hosts.",
      "Records using Parvovirus as a genus name require taxonomic context because the supplied definition instead describes members of the broader family Parvoviridae.",
      "Host identity and laboratory evidence are needed to connect the term to a particular infection or research finding."
    ],
    "standards_and_regulation": [
      "The International Code of Virus Classification and Nomenclature issued by the International Committee on Taxonomy of Viruses governs formal viral naming and classification relevant to resolving this term."
    ],
    "visual_identification": [
      "Electron microscopy can reveal small particles with icosahedral capsids and no lipid envelope, features consistent with parvoviruses but insufficient for identification alone.",
      "Their lack of an envelope helps distinguish them from enveloped viruses in suitably prepared microscopic samples."
    ]
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q12043883: Parvovirus",
      "url": "https://www.wikidata.org/wiki/Q12043883",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Parvovirus",
      "url": "https://en.wikipedia.org/wiki/Parvovirus",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "name-and-taxonomic-resolution",
        "name": "Name and taxonomic resolution",
        "description": "Establish the biological referent behind an undefined and potentially ambiguous registry name.",
        "rationale": "Human, veterinary, and historical taxonomic usages can imply different model boundaries.",
        "layers": [
          {
            "id": "registry-referent",
            "name": "Registry referent",
            "description": "Resolve the source meaning before adopting a biological scope.",
            "findings": [
              {
                "id": "parvovirus-label-meaning",
                "name": "Parvovirus label meaning",
                "description": "Record the original entity mapping and context that determine what this entry names.",
                "questions": [
                  {
                    "text": "Which source entity and original description supplied vr.tr.parvovirus?",
                    "kind": "provenance",
                    "id": "parvovirus-label-meaning-q01"
                  },
                  {
                    "text": "Does that entity denote a virus group, a historical taxon, a particular virus, or an associated disease?",
                    "kind": "definition",
                    "id": "parvovirus-label-meaning-q02"
                  },
                  {
                    "text": "Does the resolved meaning justify the recorded XCT / XCT.STA placement?",
                    "kind": "boundary",
                    "id": "parvovirus-label-meaning-q03"
                  }
                ]
              }
            ]
          },
          {
            "id": "classification-and-equivalence",
            "name": "Classification and equivalence",
            "description": "Anchor names to a classification version and existing catalogue coverage.",
            "findings": [
              {
                "id": "versioned-taxon-mapping",
                "name": "Versioned taxon mapping",
                "description": "Keep historical usage, current assignment, and genuine synonymy distinguishable.",
                "questions": [
                  {
                    "text": "Which taxonomic authority and release support the accepted name and rank?",
                    "kind": "provenance",
                    "id": "versioned-taxon-mapping-q01"
                  },
                  {
                    "text": "Does an older use of 'Parvovirus' map to the same membership as the proposed current referent?",
                    "kind": "boundary",
                    "id": "versioned-taxon-mapping-q02"
                  },
                  {
                    "text": "Is this concept already covered by a world model that the registry should reference?",
                    "kind": "action",
                    "id": "versioned-taxon-mapping-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "genome-and-particle-identity",
        "name": "Genome and particle identity",
        "description": "Capture the molecular and particle evidence that supports parvovirus identification.",
        "rationale": "A common label or small particle size cannot establish virus identity.",
        "layers": [
          {
            "id": "genome-evidence",
            "name": "Genome evidence",
            "description": "Describe the actual sequence evidence and its limits.",
            "findings": [
              {
                "id": "sequence-supported-assignment",
                "name": "Sequence-supported assignment",
                "description": "Distinguish verified genome observations from properties inherited from a tentative classification.",
                "questions": [
                  {
                    "text": "Which accession, sequence region, and completeness assessment support this identification?",
                    "kind": "provenance",
                    "id": "sequence-supported-assignment-q01"
                  },
                  {
                    "text": "What genome length, topology, strandedness, and segment count are supported for the identified virus?",
                    "kind": "measurement",
                    "id": "sequence-supported-assignment-q02"
                  },
                  {
                    "text": "What taxonomic criteria distinguish this sequence from its closest classified relatives?",
                    "kind": "boundary",
                    "id": "sequence-supported-assignment-q03"
                  }
                ]
              }
            ]
          },
          {
            "id": "particle-evidence",
            "name": "Particle evidence",
            "description": "Record capsid and envelope observations separately from sequence-based inference.",
            "findings": [
              {
                "id": "capsid-confirmation",
                "name": "Capsid confirmation",
                "description": "Use particle evidence to support identity while preserving uncertainty about mixed or incomplete samples.",
                "questions": [
                  {
                    "text": "Which observations establish capsid morphology, particle dimensions, and envelope status?",
                    "kind": "measurement",
                    "id": "capsid-confirmation-q01"
                  },
                  {
                    "text": "Does the evidence connect the observed particles to the identified sequence rather than another sample constituent?",
                    "kind": "boundary",
                    "id": "capsid-confirmation-q02"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "host-and-replication-context",
        "name": "Host and replication context",
        "description": "Qualify host associations and replication properties for the resolved virus.",
        "rationale": "The umbrella name cannot safely supply one host range or replication profile.",
        "layers": [
          {
            "id": "host-association-evidence",
            "name": "Host association evidence",
            "description": "Separate incidental detection from supported biological host relationships.",
            "findings": [
              {
                "id": "supported-host-range",
                "name": "Supported host range",
                "description": "Represent host claims at the strength actually demonstrated by their evidence.",
                "questions": [
                  {
                    "text": "Which host species have evidence of infection or replication rather than sequence detection alone?",
                    "kind": "provenance",
                    "id": "supported-host-range-q01"
                  },
                  {
                    "text": "Which claimed host relationships remain uncertain because of contamination, diet, or environmental carriage?",
                    "kind": "boundary",
                    "id": "supported-host-range-q02"
                  }
                ]
              }
            ]
          },
          {
            "id": "replication-requirements",
            "name": "Replication requirements",
            "description": "Capture tissue and cellular context without generalizing between parvoviruses.",
            "findings": [
              {
                "id": "permissive-context",
                "name": "Permissive context",
                "description": "Record the conditions under which productive replication has been demonstrated.",
                "questions": [
                  {
                    "text": "Which tissues or cell types support productive replication for this virus?",
                    "kind": "definition",
                    "id": "permissive-context-q01"
                  },
                  {
                    "text": "What evidence establishes cellular-state requirements or helper-virus dependence?",
                    "kind": "provenance",
                    "id": "permissive-context-q02"
                  },
                  {
                    "text": "Which observed requirements are limited to an experimental system rather than established in the natural host?",
                    "kind": "boundary",
                    "id": "permissive-context-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "detection-and-disease-evidence",
        "name": "Detection and disease evidence",
        "description": "Interpret observations without merging the virus with a test result or clinical condition.",
        "rationale": "Records labelled 'parvovirus positive' can leave the target, biological significance, and causal interpretation unspecified.",
        "layers": [
          {
            "id": "test-result-meaning",
            "name": "Test result meaning",
            "description": "Establish what a reported result measures and which interpretation it supports.",
            "findings": [
              {
                "id": "qualified-parvovirus-detection",
                "name": "Qualified parvovirus detection",
                "description": "Attach target specificity, specimen context, and interpretation limits to detection claims.",
                "questions": [
                  {
                    "text": "Does the test detect viral nucleic acid, antigen, host antibodies, or infectivity, and which parvovirus does it target?",
                    "kind": "definition",
                    "id": "qualified-parvovirus-detection-q01"
                  },
                  {
                    "text": "What specimen, sampling time, controls, and method limitations qualify the result?",
                    "kind": "measurement",
                    "id": "qualified-parvovirus-detection-q02"
                  },
                  {
                    "text": "What additional evidence is needed before interpreting this result as current infection or infectiousness?",
                    "kind": "boundary",
                    "id": "qualified-parvovirus-detection-q03"
                  }
                ]
              }
            ]
          },
          {
            "id": "clinical-association",
            "name": "Clinical association",
            "description": "Link virus-level evidence to neighbouring disease models without owning patient assessment.",
            "findings": [
              {
                "id": "causal-claim-strength",
                "name": "Causal claim strength",
                "description": "Distinguish established disease relationships from observations of coexistence.",
                "questions": [
                  {
                    "text": "Which disease associations are supported for this identified virus and host?",
                    "kind": "provenance",
                    "id": "causal-claim-strength-q01"
                  },
                  {
                    "text": "Does the evidence establish causation, support an association, or merely report detection in a diseased host?",
                    "kind": "boundary",
                    "id": "causal-claim-strength-q02"
                  },
                  {
                    "text": "Which disease or infection-episode model should receive the case-specific assessment?",
                    "kind": "action",
                    "id": "causal-claim-strength-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "transmission-and-control-applicability",
        "name": "Transmission and control applicability",
        "description": "Connect the identified virus to supported exposure and control information.",
        "rationale": "An unspecified parvovirus label cannot determine transmission routes, environmental persistence, or suitable interventions.",
        "layers": [
          {
            "id": "exposure-and-persistence",
            "name": "Exposure and persistence",
            "description": "Qualify transmission and environmental evidence by virus and setting.",
            "findings": [
              {
                "id": "supported-exposure-pathways",
                "name": "Supported exposure pathways",
                "description": "Record established pathways and distinguish recoverable viral material from retained infectivity.",
                "questions": [
                  {
                    "text": "Which transmission routes and shedding sources are demonstrated for this virus-host pairing?",
                    "kind": "provenance",
                    "id": "supported-exposure-pathways-q01"
                  },
                  {
                    "text": "Under what matrix, temperature, duration, and assay conditions was environmental persistence measured?",
                    "kind": "measurement",
                    "id": "supported-exposure-pathways-q02"
                  },
                  {
                    "text": "Did the persistence study measure infectious virus or only detectable viral material?",
                    "kind": "boundary",
                    "id": "supported-exposure-pathways-q03"
                  }
                ]
              }
            ]
          },
          {
            "id": "control-evidence-matching",
            "name": "Control evidence matching",
            "description": "Select guidance only after its target and operating conditions are established.",
            "findings": [
              {
                "id": "applicable-control-guidance",
                "name": "Applicable control guidance",
                "description": "Link to current host-specific prevention and control guidance with explicit applicability limits.",
                "questions": [
                  {
                    "text": "Which authoritative guidance applies to the identified virus, host, and setting?",
                    "kind": "action",
                    "id": "applicable-control-guidance-q01"
                  },
                  {
                    "text": "Does evidence for a vaccine, inactivation measure, or exposure precaution concern this virus or an explicitly justified surrogate?",
                    "kind": "boundary",
                    "id": "applicable-control-guidance-q02"
                  },
                  {
                    "text": "What missing identification or contextual evidence prevents selecting a defensible control action?",
                    "kind": "action",
                    "id": "applicable-control-guidance-q03"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "evidence-and-external-alignment",
        "name": "Evidence and external alignment",
        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
        "layers": [
          {
            "id": "reported-evidence",
            "name": "Reported evidence",
            "description": "Findings from the breadth pass, kept separate from the structural claims.",
            "findings": [
              {
                "id": "evidence-confidence-notes",
                "name": "Check these first",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "The intended sense is unresolved: everyday usage may mean human B19, canine parvovirus or the broader viral group.",
                  "The supplied abstract-concept context does not fit the ordinary biological meaning; verify the registry record before assigning a narrower sense.",
                  "This is recalled knowledge, not source-checked research; verify current ICTV names and virus-specific measurements before publication."
                ],
                "questions": [
                  {
                    "id": "evidence-confidence-notes-q01",
                    "text": "Which of these check these first hold for the sense of Parvovirus this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-kinds",
                "name": "Kinds and varieties",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Human parvovirus B19",
                  "Canine parvovirus",
                  "Feline panleukopenia virus",
                  "Porcine parvovirus",
                  "Human bocaviruses",
                  "Adeno-associated viruses"
                ],
                "questions": [
                  {
                    "id": "evidence-kinds-q01",
                    "text": "Which of these kinds and varieties hold for the sense of Parvovirus this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-identifiers",
                "name": "Identifiers and schemes",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "scheme": "ICTV taxonomy",
                    "value_or_pattern": "Parvoviridae",
                    "note": "Family name; the listed kinds are familiar virus names or groups, not equivalent formal taxonomic ranks."
                  },
                  {
                    "scheme": "NCBI Taxonomy",
                    "value_or_pattern": "Numeric Taxonomy ID",
                    "note": "Identifiers distinguish the family and its constituent taxa; no single species identifier resolves the unspecific name."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-identifiers-q01",
                    "text": "Which of these identifiers and schemes hold for the sense of Parvovirus this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-real-world-use",
                "name": "Real-world use",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Human parvovirus B19 testing supports investigation of compatible illness, unexplained anaemia and suspected infection during pregnancy.",
                  "Canine and feline parvovirus testing and vaccination are established veterinary practices.",
                  "Adeno-associated viruses provide platforms for gene-delivery vectors.",
                  "Parvoviruses serve as models for studying DNA replication and virus-host interactions."
                ],
                "questions": [
                  {
                    "id": "evidence-real-world-use-q01",
                    "text": "Which of these real-world use hold for the sense of Parvovirus this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-measurements",
                "name": "Typical measurements",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "quantity": "Virion diameter",
                    "typical_range": "Approximately 18-26",
                    "unit": "nm"
                  },
                  {
                    "quantity": "Genome length",
                    "typical_range": "Approximately 4-6",
                    "unit": "kilobases"
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-measurements-q01",
                    "text": "Which of these typical measurements hold for the sense of Parvovirus this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-failure-modes-and-hazards",
                "name": "Failure modes and hazards",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  "Human parvovirus B19 can cause erythema infectiosum and joint symptoms.",
                  "B19 infection can cause transient aplastic crisis in people with increased red-cell turnover and persistent anaemia in immunocompromised people.",
                  "B19 infection during pregnancy can cause fetal anaemia, hydrops and fetal loss.",
                  "Canine parvovirus and feline panleukopenia virus can cause severe, sometimes fatal disease, particularly in susceptible young animals.",
                  "Environmental persistence and resistance to some disinfectants complicate control of veterinary parvovirus outbreaks."
                ],
                "questions": [
                  {
                    "id": "evidence-failure-modes-and-hazards-q01",
                    "text": "Which of these failure modes and hazards hold for the sense of Parvovirus this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              },
              {
                "id": "evidence-neighbours",
                "name": "Neighbouring kinds and how to tell them apart",
                "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                "evidence": [
                  {
                    "name": "Parvovirus B19",
                    "difference": "A particular human-infecting virus; parvovirus is a broader, context-dependent label."
                  },
                  {
                    "name": "Parvovirus infection",
                    "difference": "An infection is a host condition caused by a virus; the virus itself is an infectious entity."
                  },
                  {
                    "name": "Canine parvoviral enteritis",
                    "difference": "A specific disease syndrome in dogs, not the entire virus family."
                  },
                  {
                    "name": "Papillomavirus",
                    "difference": "Papillomaviruses belong to a different family and have circular double-stranded DNA genomes."
                  }
                ],
                "questions": [
                  {
                    "id": "evidence-neighbours-q01",
                    "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Parvovirus this model covers, and on what evidence?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "What original registry source establishes whether 'Parvovirus' means a broad virus grouping, a historical genus, a specific virus, or a disease?",
    "Should XCT / XCT.STA remain the classification once the source referent is recovered?",
    "Does an existing world model already own the resolved concept?",
    "Which current taxonomic release and primary studies establish the applicable genome, host, and replication properties, including exceptions to older family summaries?",
    "Which virus-host setting must this entry support before diagnostic interpretation and control guidance can be researched adequately?"
  ],
  "statistics": {
    "bundles": 6,
    "layers": 11,
    "findings": 17,
    "questions": 35
  }
}
