{ "model": { "rank": 14926, "code": "thing-q1345671", "model_id": "vr.tr.tropical-disease", "name": "tropical disease", "purpose": "Let an agent explain tropical diseases, relay causes, transmission, prevention and control programmes from WHO and tropical medicine sources, describe the named diseases, route fever after tropical travel to prompt medical care, and distinguish tropical diseases from neglected tropical diseases as a WHO list, travel-related illness generally and diseases that also occur widely outside the tropics.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.STA", "industry": "", "version": "", "url": "/models/thing/q1345671/", "tier": 2, "score": 35, "payload": { "layer": "wikidata", "aliases": [ "Streptocerciasis", "neglected tropical disease", "environmental enteropathy", "clonorchiasis", "foodborne trematodiases", "ancylostoma duodenale ancylostomiasis", "Trachoma elimination efforts in Nigeria", "soil-transmitted helminthiasis", "chromoblastomycosis", "Neglected tropical diseases in India", "necatoriasis" ], "aliasCount": 11, "merged": 11, "knownIn": 35, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q1345671", "url": "https://www.wikidata.org/wiki/Q1345671", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T20:00:38Z", "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": 4, "engine": "claude" }, "metaModel": { "id": "THING-Q1345671", "registryId": "vr.tr.tropical-disease", "name": "tropical disease", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.STA" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q1345671/", "model": { "registry_id": "vr.tr.tropical-disease", "name": "tropical disease", "purpose": "Let an agent explain tropical diseases, relay causes, transmission, prevention and control programmes from WHO and tropical medicine sources, describe the named diseases, route fever after tropical travel to prompt medical care, and distinguish tropical diseases from neglected tropical diseases as a WHO list, travel-related illness generally and diseases that also occur widely outside the tropics.", "definition": "A disease that is prevalent in or unique to tropical and subtropical regions, often infectious and linked to heat, humidity, vectors, poverty and limited sanitation, including malaria, dengue and the neglected tropical diseases recognised by WHO, such as hookworm infection including Ancylostoma duodenale ancylostomiasis, foodborne trematodiases such as clonorchiasis, and filarial infections such as streptocerciasis; environmental enteropathy is a related gut condition of poor sanitation rather than a single infection. Fever during or after travel to the tropics needs prompt medical assessment because malaria can be fatal.", "what_it_is_for": "Not applicable; a disease category.", "affordances": [ "explain causes and transmission", "relay prevention and control", "describe named diseases", "route post-travel fever to care" ], "distinguishing_features": [ "Geographic concentration", "Often vector-borne or parasitic", "Linked to poverty", "Preventable and treatable in many cases" ], "appearance": "Not a visible object; a disease category.", "visual_identification": [ "Disease concentrated in tropical regions", "Streptocerciasis, neglected tropical disease, environmental enteropathy, clonorchiasis, foodborne trematodiases, Ancylostoma duodenale ancylostomiasis", "NTDs are a WHO-designated subset; travel medicine covers all travel illness; many diseases occur worldwide" ], "physical_properties": [ { "quantity": "WHO NTD roadmap", "typical_range": "2021-2030", "unit": "years", "note": "" }, { "quantity": "London Declaration on NTDs", "typical_range": "2012", "unit": "year", "note": "" }, { "quantity": "clonorchiasis cause", "typical_range": "Clonorchis sinensis liver fluke", "unit": "note", "note": "raw freshwater fish" } ], "families_and_kinds": [ "malaria and other vector-borne diseases", "soil-transmitted helminthiases", "foodborne trematodiases", "filarial diseases", "neglected tropical diseases" ], "related_models": [ { "relation": "is a kind of", "target": "disease", "why": "in registry terms" }, { "relation": "includes", "target": "neglected tropical diseases", "why": "" }, { "relation": "is studied in", "target": "tropical medicine", "why": "" }, { "relation": "is addressed by", "target": "World Health Organization", "why": "NTD roadmap" } ], "identifiers": [], "standards_and_regulation": [ "WHO NTD Roadmap 2021-2030", "Travel health guidance", "Mass drug administration programmes" ], "failure_modes_and_hazards": [ "Delaying care for fever after tropical travel", "Stigmatising affected regions", "Registry aliases mixing conditions and categories" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What a tropical disease is.", "rationale": "Attribution.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is a tropical disease, and how does it differ from NTDs, travel illness and worldwide diseases?", "kind": "definition" }, { "text": "Is there fever during or after travel to a tropical area, in which case seek prompt medical assessment and mention the travel?", "kind": "boundary" } ] } ] }, { "id": "named", "name": "Named", "description": "Named diseases.", "findings": [ { "id": "named-finding", "name": "Named", "description": "Named.", "questions": [ { "text": "What are streptocerciasis, clonorchiasis, foodborne trematodiases, hookworm infection and environmental enteropathy?", "kind": "definition" }, { "text": "Which entry fits the specific disease?", "kind": "action" } ] } ] } ] }, { "id": "science", "name": "Science", "description": "Transmission.", "rationale": "Attribution.", "layers": [ { "id": "transmission", "name": "Transmission", "description": "Transmission.", "findings": [ { "id": "transmission-finding", "name": "Transmission", "description": "Transmission.", "questions": [ { "text": "How are tropical diseases spread by vectors, soil, water and food?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "poverty", "name": "Poverty", "description": "Social determinants.", "findings": [ { "id": "poverty-finding", "name": "Poverty", "description": "Poverty.", "questions": [ { "text": "How do poverty and sanitation shape tropical disease burden?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "control", "name": "Control", "description": "Prevention and control.", "rationale": "Regulation.", "layers": [ { "id": "ntd", "name": "NTD programmes", "description": "NTD programmes.", "findings": [ { "id": "ntd-finding", "name": "NTD programmes", "description": "NTD programmes.", "questions": [ { "text": "What does the WHO NTD roadmap aim for, and what progress is reported?", "kind": "provenance" }, { "text": "Which entry fits mass drug administration?", "kind": "action" } ] } ] }, { "id": "travel", "name": "Travel", "description": "Travel health.", "findings": [ { "id": "travel-finding", "name": "Travel", "description": "Travel.", "questions": [ { "text": "What prevention do travel clinics recommend, such as malaria prophylaxis and food safety?", "kind": "provenance" }, { "text": "Which entry fits travel medicine?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "History.", "rationale": "Context.", "layers": [ { "id": "history", "name": "History", "description": "History.", "findings": [ { "id": "history-finding", "name": "History", "description": "History.", "questions": [ { "text": "How did tropical medicine develop, including its colonial history, as historians describe?", "kind": "provenance" }, { "text": "Which entry fits London School of Hygiene and Tropical Medicine?", "kind": "action" } ] } ] }, { "id": "climate", "name": "Climate", "description": "Climate change.", "findings": [ { "id": "climate-finding", "name": "Climate", "description": "Climate.", "questions": [ { "text": "How might climate change shift the range of tropical diseases, with projections attributed?", "kind": "provenance" }, { "text": "Which entry fits climate change and infectious diseases?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should environmental enteropathy be moved to a separate entry?", "How should WHO NTD data be linked and kept current?", "Should the NTD list be a separate primary entry?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "disease or condition", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a tropical disease, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain tropical diseases, relay causes, transmission, prevention and control programmes from WHO and tropical medicine sources, describe the named diseases, route fever after tropical travel to prompt medical care, and distinguish tropical diseases from neglected tropical diseases as a WHO list, travel-related illness generally and diseases that also occur widely outside the tropics.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: Streptocerciasis, neglected tropical disease, environmental enteropathy, clonorchiasis, foodborne trematodiases, ancylostoma duodenale ancylostomiasis, Trachoma elimination efforts in Nigeria, soil-transmitted helminthiasis, chromoblastomycosis, Neglected tropical diseases in India, necatoriasis.", "11 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 35 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a tropical disease, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Recognised by criteria applied to signs and findings, not by appearance. Two conditions can look identical and be distinguished only by test." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "Streptocerciasis", "neglected tropical disease", "environmental enteropathy", "clonorchiasis", "foodborne trematodiases", "ancylostoma duodenale ancylostomiasis", "Trachoma elimination efforts in Nigeria", "soil-transmitted helminthiasis", "chromoblastomycosis", "Neglected tropical diseases in India", "necatoriasis" ] } ], "standing": "Described in 35 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 11 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one tropical disease from another, and a tropical disease from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a tropical disease, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a tropical disease, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a tropical disease is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a tropical disease, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a tropical disease, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a tropical disease is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a tropical disease sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a tropical disease, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a tropical disease, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a tropical disease is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a tropical disease from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a tropical disease, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a tropical disease, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a tropical disease is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a tropical disease passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a tropical disease between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a tropical disease, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a tropical disease, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a tropical disease is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a tropical disease, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a tropical disease is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a tropical disease, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a tropical disease, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a tropical disease is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "diagnosis-and-criteria", "name": "Diagnosis, criteria and coding", "description": "What makes a case of tropical disease a case, and under which revision.", "rationale": "Criteria change between revisions, so a diagnosis without its coding revision cannot be compared with a later one.", "layers": [ { "id": "criteria", "name": "Diagnostic criteria", "description": "The criteria in force and who issues them.", "findings": [ { "id": "criteria-record", "name": "Criteria, issuer and revision", "description": "What must be true for a diagnosis, according to whom.", "questions": [ { "id": "criteria-record-q01", "text": "What criteria define tropical disease, issued by which body, in which revision?", "kind": "definition" }, { "id": "criteria-record-q02", "text": "What changed between revisions that would reclassify existing cases?", "kind": "boundary" } ] } ] }, { "id": "coding", "name": "Coding and terminology", "description": "The codes used to record it and their mapping.", "findings": [ { "id": "coding-record", "name": "Codes and mappings", "description": "Which classification codes apply and how they map.", "questions": [ { "id": "coding-record-q01", "text": "Which classification and terminology codes cover tropical disease, and how do they map to each other?", "kind": "definition" }, { "id": "coding-record-q02", "text": "What is lost when a case is mapped from one scheme to another?", "kind": "boundary" } ] } ] } ] }, { "id": "course-and-population", "name": "Course, population and care", "description": "How tropical disease develops, whom it affects, and what is done about it.", "rationale": "The condition, the diagnosis and the episode of care are three different things, and an agent must not merge them.", "layers": [ { "id": "course", "name": "Course and stages", "description": "Onset, progression, remission and outcome.", "findings": [ { "id": "course-record", "name": "Stages and transitions", "description": "The stages recorded and what moves a case between them.", "questions": [ { "id": "course-record-q01", "text": "What course does tropical disease typically take, and what marks each stage?", "kind": "definition" }, { "id": "course-record-q02", "text": "What separates the condition itself from an episode of care for it?", "kind": "boundary" } ] } ] }, { "id": "population", "name": "Affected populations", "description": "Who is affected, how often, and on what evidence.", "findings": [ { "id": "epidemiology", "name": "Prevalence and its basis", "description": "Rates with their population, period and source.", "questions": [ { "id": "epidemiology-q01", "text": "What prevalence or incidence is reported for tropical disease, in which population and period?", "kind": "measurement" }, { "id": "epidemiology-q02", "text": "What may an agent not conclude about an individual from a population rate?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a tropical disease came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a tropical disease and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a tropical disease, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a tropical disease, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a tropical disease is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a tropical disease is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a tropical disease, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a tropical disease, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a tropical disease is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 5, "layers": 10, "findings": 12, "questions": 32 } } } }