Evidence map›Paper›PMID 30946447›Full record

Observational studyClinical infectious diseases : an official publication of the Infectious Diseases Society of America2019

Risk Factors for Infant Colonization by Hypervirulent CC17 Group B Streptococcus: Toward the Understanding of Late-onset Disease.

Asmaa Tazi, Céline Plainvert, Olivia Anselem, Morgane Ballon, Valérie Marcou, Aurélien Seco, Fatma El Alaoui, Caroline Joubrel, Najoua El Helali, Emile Falloukh and 11 more

Registry-linked trialAbstract readMulticenter StudyObservational Study
PubMed Publisher
In one paragraph

Observational study in Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01719510 (Study of the Digestive Colonization of the Newborn Children by the Streptococcus of the Group B), which is not on this map. Cited by 44 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed, 1 pooled it
6.7field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT01719510 nacompletednot on this map

Study of the Digestive Colonization of the Newborn Children by the Streptococcus of the Group B

TypeinterventionalSponsorAssistance Publique - Hôpitaux de ParisRan2012 to 2015Enrolled949ConditionsNeonatal Infections Colonize With Group B StreptococciArmsSamples
3 · Its place in the literature

Who cites it

44 citing papers in PubMed, 1 synthesis or guideline pooled it, 65 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Review
  4. Microbiology (Reading, England) · 2026
    Article
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  7. Review
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  9. Article
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  11. Review
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  15. Specific interaction between Group BInfection and immunity · 2024
    Article
  16. Neonatal Group BSaudi medical journal · 2024
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  17. Engagement of αFrontiers in microbiology · 2024
    Article
  18. Article
  19. The Clinical and Genetic Characteristics ofInternational journal of molecular sciences · 2023
    Article
  20. Capsule production promotes Group BMicrobiology spectrum · 2023
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

21 authors at 8 institutions in 4 countries.

Asmaa TaziDepartment of Bacteriology, University Hospitals Paris Centre-Cochin, French National Center for Streptococci, Assistance Publique - Hôpitaux de Paris (AP-HP).
Céline PlainvertDepartment of Bacteriology, University Hospitals Paris Centre-Cochin, French National Center for Streptococci, Assistance Publique - Hôpitaux de Paris (AP-HP).
Olivia AnselemDépartement Hospitalo-Universitaire Risks and Pregnancy.
Morgane BallonDépartement Hospitalo-Universitaire Risks and Pregnancy.
Valérie MarcouDépartement Hospitalo-Universitaire Risks and Pregnancy.
Aurélien SecoDépartement Hospitalo-Universitaire Risks and Pregnancy.
Fatma El AlaouiDepartment of Microbiology, Louis Mourier Hospital, AP-HP.
Caroline JoubrelDepartment of Bacteriology, University Hospitals Paris Centre-Cochin, French National Center for Streptococci, Assistance Publique - Hôpitaux de Paris (AP-HP).
Najoua El HelaliUnité de Recherche Clinique-Centre d'Investigation Clinique P1419, University Hospitals Paris Centre Cochin Port Royal, AP-HP.
Emile FalloukhDepartment of Neonatal Medicine, Louis Mourier Hospital, AP-HP.
Amandine FrigoDepartment of Bacteriology, University Hospitals Paris Centre-Cochin, French National Center for Streptococci, Assistance Publique - Hôpitaux de Paris (AP-HP).
Josette RaymondDepartment of Bacteriology, University Hospitals Paris Centre-Cochin, French National Center for Streptococci, Assistance Publique - Hôpitaux de Paris (AP-HP).
Patrick Trieu-CuotBiology of Gram-Positive Bacterial Pathogens Unit, CNRS Equipe de Recherche Labellisée, Pasteur Institute, Paris.
Catherine BrangerDepartment of Microbiology, Louis Mourier Hospital, AP-HP.
Alban Le MonnierDepartment of Microbiology, Saint Joseph Hospital, Paris.
Elie AzriaDépartement Hospitalo-Universitaire Risks and Pregnancy.
Pierre-Yves AncelDépartement Hospitalo-Universitaire Risks and Pregnancy.
Pierre Henri JarreauDépartement Hospitalo-Universitaire Risks and Pregnancy.
Laurent MandelbrotDépartement Hospitalo-Universitaire Risks and Pregnancy.
François GoffinetDépartement Hospitalo-Universitaire Risks and Pregnancy.
Claire PoyartDepartment of Bacteriology, University Hospitals Paris Centre-Cochin, French National Center for Streptococci, Assistance Publique - Hôpitaux de Paris (AP-HP).
Assistance Publique – Hôpitaux de Paris · FRHôpital Louis-Mourier · FRInserm · FRUniversité Paris Cité · FRCentre National pour la Recherche Scientifique et Technique (CNRST) · MACentre National de la Recherche Scientifique · FRRoyal Hospital · OMSaint Joseph Hospital · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIn infants, the mode of acquisition of CC17 group B Streptococcus (GBS), the hypervirulent clone responsible for late-onset disease (LOD), remains elusive.

methodsIn a prospective multicenter study in France, we evaluated GBS colonization in mother-baby pairs with 2 months of follow-up between 2012 and 2015. Criteria included positivity for GBS colonization at antenatal screening or at delivery. Maternal vaginal samples and infant oral cavity and stool samples were analyzed at delivery, 21 ± 7 days (D21), and 60 ± 7 days (D60) post-delivery.

resultsA total of 890 mother-baby pairs were analyzed. GBS colonized 7%, 21%, and 23% of the infants at birth, D21, and D60, respectively, of which 10%, 11%, and 13% were identified as CC17 GBS. Concordance between maternal and infant GBS type was 96%. At D21, the main risk factors for infant colonization by GBS were simultaneous maternal colonization of the vagina (odds ratio [OR], 4.50; 95% confidence interval [CI], 1.69-15.61) and breast milk (OR, 7.93; 95% CI, 3.81-17.14). Importantly, 38% (95% CI, 23%-56%) of infants colonized by CC17 GBS appeared colonized for the first time at D60 vs 18% (95% CI, 14%-24%; P < .049) of infants colonized by non-CC17 GBS. Multivariate analysis showed a higher risk for de novo infant colonization by CC17 at D60 than by other GBS (OR, 2.45; 95% CI, 1.02-5.88).

conclusionsThe high incidence of CC17 GBS in LOD is likely due to an enhanced post-delivery mother-to-infant transmission.

Indexed as

Infectious Disease Transmission, VerticalAdultFecesFemaleFranceHumansIncidenceInfantLongitudinal StudiesMaleMothersMouthPregnancyProspective StudiesRisk FactorsStreptococcal InfectionsCC17 clonegroup B Streptococcusinfant colonizationlate-onset disease

Identifiers

PMID30946447
OpenAlexW2934880163

What OpenQuestion holds

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.