Group B Streptococcus
E902870
Group B Streptococcus is a type of bacteria commonly found in the gastrointestinal and genital tracts that can cause serious infections in newborns, pregnant women, and adults with weakened immune systems.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Group B Streptococcus canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11074035 — 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: Group B Streptococcus Context triple: [Cepheid, developsTestFor, Group B Streptococcus]
-
A.
Escherichia coli
Escherichia coli is a widely studied, rod-shaped bacterium commonly found in the intestines of warm-blooded animals and extensively used as a model organism in microbiology and genetics.
-
B.
Bacillus
Bacillus is a genus of rod-shaped, endospore-forming bacteria that includes both harmless environmental species and notable pathogens such as Bacillus anthracis.
-
C.
Bacillus anthracis
Bacillus anthracis is a Gram-positive, spore-forming bacterium that causes the disease anthrax in humans and animals.
-
D.
Yersinia
Yersinia is a genus of Gram-negative bacteria that includes several pathogenic species, most notably Yersinia pestis, the causative agent of plague.
-
E.
Helicobacter
Helicobacter is a genus of spiral-shaped, microaerophilic bacteria best known for species such as H. pylori, which colonize the human stomach and are associated with peptic ulcers and gastric cancer.
- 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: Group B Streptococcus Target entity description: Group B Streptococcus is a type of bacteria commonly found in the gastrointestinal and genital tracts that can cause serious infections in newborns, pregnant women, and adults with weakened immune systems.
-
A.
Escherichia coli
Escherichia coli is a widely studied, rod-shaped bacterium commonly found in the intestines of warm-blooded animals and extensively used as a model organism in microbiology and genetics.
-
B.
Bacillus
Bacillus is a genus of rod-shaped, endospore-forming bacteria that includes both harmless environmental species and notable pathogens such as Bacillus anthracis.
-
C.
Bacillus anthracis
Bacillus anthracis is a Gram-positive, spore-forming bacterium that causes the disease anthrax in humans and animals.
-
D.
Yersinia
Yersinia is a genus of Gram-negative bacteria that includes several pathogenic species, most notably Yersinia pestis, the causative agent of plague.
-
E.
Helicobacter
Helicobacter is a genus of spiral-shaped, microaerophilic bacteria best known for species such as H. pylori, which colonize the human stomach and are associated with peptic ulcers and gastric cancer.
- F. None of above. chosen
Statements (63)
| Predicate | Object |
|---|---|
| instanceOf |
Gram-positive coccus
ⓘ
bacterial species ⓘ beta-hemolytic Streptococcus ⓘ human pathogen ⓘ |
| abbreviation | GBS NERFINISHED ⓘ |
| alsoKnownAs | Streptococcus agalactiae NERFINISHED ⓘ |
| alternativeTreatment |
cefazolin
ⓘ
clindamycin ⓘ vancomycin ⓘ |
| capsule | encapsulated ⓘ |
| catalaseActivity | catalase-negative ⓘ |
| causesDisease |
adult meningitis
ⓘ
bacteremia in adults ⓘ cellulitis ⓘ chorioamnionitis ⓘ early-onset neonatal sepsis ⓘ late-onset neonatal sepsis ⓘ neonatal meningitis ⓘ neonatal pneumonia ⓘ osteomyelitis ⓘ postpartum endometritis ⓘ septic arthritis ⓘ urinary tract infection in pregnancy ⓘ |
| cellArrangement | chains ⓘ |
| cellMorphology | coccus ⓘ |
| colonizationRateInPregnancy | approximately 10–30 percent of pregnant women ⓘ |
| colonizes |
rectum
ⓘ
vagina ⓘ |
| diagnosisMethod |
blood culture
ⓘ
cerebrospinal fluid culture ⓘ culture from vaginal and rectal swabs ⓘ |
| domain | Bacteria ⓘ |
| family | Streptococcaceae NERFINISHED ⓘ |
| firstLineTreatment |
ampicillin
GENERATED
ⓘ
penicillin G GENERATED ⓘ |
| genus | Streptococcus NERFINISHED ⓘ |
| gramStain | Gram-positive ⓘ |
| hemolysisType | beta-hemolytic ⓘ |
| LancefieldGroup | group B ⓘ |
| majorVirulenceFactor |
beta-hemolysin
ⓘ
polysaccharide capsule ⓘ surface proteins ⓘ |
| naturalHabitat |
human gastrointestinal tract
ⓘ
human genital tract ⓘ |
| order | Lactobacillales NERFINISHED ⓘ |
| oxygenRequirement | facultative anaerobe ⓘ |
| preventionMethod | intrapartum antibiotic prophylaxis ⓘ |
| publicHealthImpact | leading cause of neonatal sepsis and meningitis in many countries ⓘ |
| riskGroup |
immunocompromised adults
ⓘ
newborns ⓘ older adults ⓘ pregnant women ⓘ |
| screeningRecommendation | universal screening of pregnant women at 35–37 weeks gestation ⓘ |
| serotypes |
II
ⓘ
III ⓘ Ia ⓘ Ib ⓘ V ⓘ |
| taxonRank | species ⓘ |
| transmissionRoute |
ascending infection from vagina
ⓘ
person-to-person contact ⓘ vertical transmission during childbirth ⓘ |
| vaccineStatus | no licensed vaccine as of 2024 ⓘ |
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: Group B Streptococcus Description of subject: Group B Streptococcus is a type of bacteria commonly found in the gastrointestinal and genital tracts that can cause serious infections in newborns, pregnant women, and adults with weakened immune systems.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.