Giardia
E727694
Giardia is a genus of microscopic parasitic protozoa that infect the intestines of humans and other animals, commonly causing the diarrheal disease giardiasis.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Giardia canonical | 1 |
| Giardia lamblia | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8357295 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Giardia Context triple: [Excavata, includesTaxon, Giardia]
-
A.
Ascaris lumbricoides
Ascaris lumbricoides is a large parasitic roundworm that infects the human intestine and is a common cause of ascariasis worldwide.
-
B.
Enterobius vermicularis
Enterobius vermicularis is a small parasitic pinworm that commonly infects the human intestine, especially in children, causing enterobiasis characterized by perianal itching.
-
C.
Necator americanus
Necator americanus is a parasitic hookworm species that infects humans, primarily in tropical and subtropical regions, causing iron-deficiency anemia and other health problems.
-
D.
Trichinella spiralis
Trichinella spiralis is a parasitic roundworm that causes trichinosis in humans and other mammals, typically acquired by eating undercooked meat containing its larvae.
-
E.
Taenia saginata
Taenia saginata is the beef tapeworm, a parasitic flatworm that infects humans through consumption of undercooked beef and can cause intestinal taeniasis.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Giardia Target entity description: Giardia is a genus of microscopic parasitic protozoa that infect the intestines of humans and other animals, commonly causing the diarrheal disease giardiasis.
-
A.
Ascaris lumbricoides
Ascaris lumbricoides is a large parasitic roundworm that infects the human intestine and is a common cause of ascariasis worldwide.
-
B.
Enterobius vermicularis
Enterobius vermicularis is a small parasitic pinworm that commonly infects the human intestine, especially in children, causing enterobiasis characterized by perianal itching.
-
C.
Necator americanus
Necator americanus is a parasitic hookworm species that infects humans, primarily in tropical and subtropical regions, causing iron-deficiency anemia and other health problems.
-
D.
Trichinella spiralis
Trichinella spiralis is a parasitic roundworm that causes trichinosis in humans and other mammals, typically acquired by eating undercooked meat containing its larvae.
-
E.
Taenia saginata
Taenia saginata is the beef tapeworm, a parasitic flatworm that infects humans through consumption of undercooked beef and can cause intestinal taeniasis.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
genus
ⓘ
parasitic protozoan ⓘ |
| associatedSymptom |
abdominal cramps
GENERATED
ⓘ
diarrhea GENERATED ⓘ malabsorption GENERATED ⓘ weight loss GENERATED ⓘ |
| attachesTo | intestinal epithelium ⓘ |
| causesDisease | giardiasis ⓘ |
| class | Trepostomatia ⓘ |
| cystInfectiveDoseLow | true ⓘ |
| cystsAreEnvironmentallyResistant | true ⓘ |
| discoveredBy | Antonie van Leeuwenhoek NERFINISHED ⓘ |
| discoveryYearApproximate | 1681 ⓘ |
| domain |
Eukarya
ⓘ
surface form:
Eukaryota
|
| family | Giardiidae NERFINISHED ⓘ |
| formsCysts | true ⓘ |
| hasAdhesiveDisc | true ⓘ |
| hasFlagella | true ⓘ |
| hasMitochondria | false ⓘ |
| hasMitosomes | true ⓘ |
| hasNucleiPerTrophozoite | 2 ⓘ |
| infectsOrgan | small intestine ⓘ |
| isAnaerobic | true ⓘ |
| isEukaryote | true ⓘ |
| isMicroscopic | true ⓘ |
| isParasitic | true ⓘ |
| isUnicellular | true ⓘ |
| isZoonotic | true ⓘ |
| kingdom | Protista NERFINISHED ⓘ |
| lifeCycleStage |
cyst
ⓘ
trophozoite ⓘ |
| namedAfter | Alfred Mathieu Giard NERFINISHED ⓘ |
| notableSpecies |
Giardia duodenalis
NERFINISHED
ⓘ
Giardia intestinalis NERFINISHED ⓘ Giardia lamblia NERFINISHED ⓘ Giardia muris NERFINISHED ⓘ |
| order | Giardiales NERFINISHED ⓘ |
| parasitizes |
birds
ⓘ
humans ⓘ mammals ⓘ |
| phylum | Metamonada NERFINISHED ⓘ |
| reproductionMode | binary fission ⓘ |
| reproductionType | asexual ⓘ |
| taxonRank | genus ⓘ |
| transmissionRoute |
fecal-oral
ⓘ
foodborne ⓘ person-to-person ⓘ waterborne ⓘ |
| trophozoiteShape | pear-shaped ⓘ |
| trophozoiteSymmetry | bilateral ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Giardia Description of subject: Giardia is a genus of microscopic parasitic protozoa that infect the intestines of humans and other animals, commonly causing the diarrheal disease giardiasis.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Giardia lamblia