Evidence map›Paper›PMID 31748786›Full record

ArticleThe Journal of infectious diseases2020

Longitudinal Analysis of Group A Streptococcus emm Types and emm Clusters in a High-Prevalence Setting: Relationship between Past and Future Infections.

Patricia Therese Campbell, Steven Y C Tong, Nicholas Geard, Mark R Davies, Kate A Worthing, Jake A Lacey, Pierre R Smeesters, Michael R Batzloff, Joseph Kado, Adam W J Jenney and 2 more

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of infectious diseases, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
2.0field-weighted citation impact, top 13% 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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed, 16 citations in OpenAlex.

  1. Article
  2. A worldwide population ofThe Lancet regional health. Western Pacific · 2024
    Article
  3. Epidemiological and Clinical Features ofPathogens (Basel, Switzerland) · 2023
    Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Subdominance in Antibody Responses: Implications for Vaccine Development.Microbiology and molecular biology reviews : MMBR · 2020
    Review
  9. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

12 authors at 6 institutions in 3 countries.

Patricia Therese CampbellVictorian Infectious Diseases Reference Laboratory Epidemiology Unit, The Peter Doherty Institute for Infection and Immunity, The Royal Melbourne Hospital and The University of Melbourne, Melbourne, Australia.
Steven Y C TongVictorian Infectious Diseases Reference Laboratory Epidemiology Unit, The Royal Melbourne Hospital, Melbourne, Australia.
Nicholas GeardVictorian Infectious Diseases Reference Laboratory Epidemiology Unit, The Peter Doherty Institute for Infection and Immunity, The Royal Melbourne Hospital and The University of Melbourne, Melbourne, Australia.
Mark R DaviesDepartment of Microbiology and Immunology, The University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Australia.
Kate A WorthingDepartment of Microbiology and Immunology, The University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Australia.
Jake A LaceyDoherty Department at the Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, Australia.
Pierre R SmeestersMurdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, Australia.
Michael R BatzloffInstitute for Glycomics, Gold Coast Campus, Griffith University, Australia.
Joseph KadoDepartment of Paediatrics, Colonial War Memorial Hospital, Suva, Fiji.
Adam W J JenneyCentre for International Child Health, University of Melbourne, Melbourne, Australia.
Jodie McvernonVictorian Infectious Diseases Reference Laboratory Epidemiology Unit, The Peter Doherty Institute for Infection and Immunity, The Royal Melbourne Hospital and The University of Melbourne, Melbourne, Australia.
Andrew C SteerMurdoch Children's Research Institute, The Royal Children's Hospital, Melbourne, Australia.
The Royal Melbourne Hospital · AUThe University of Melbourne · AUGriffith University · AURoyal Children's Hospital · AUThe Kids Research Institute Australia · AUUniversité Libre de Bruxelles · BE

Funding

Global GAS Vaccine Based On The M-ProteinU01AI060579 · NIAID · QUEENSLAND INSTITUTE OF MEDICAL RESEARCH · PI GOOD, MICHAEL F · 2004 to 2008
$2.8M
NIAID NIH HHS U01 AI060579
6 · The paper itself

Abstract

Group A Streptococcus is a pathogen of global importance, but despite the ubiquity of group A Streptococcus infections, the relationship between infection, colonization, and immunity is still not completely understood. The M protein, encoded by the emm gene, is a major virulence factor and vaccine candidate and forms the basis of a number of classification systems. Longitudinal patterns of emm types collected from 457 Fijian schoolchildren over a 10-month period were analyzed. No evidence of tissue tropism was observed, and there was no apparent selective pressure or constraint of emm types. Patterns of emm type acquisition suggest limited, if any, modification of future infection based on infection history. Where impetigo is the dominant mode of transmission, circulating emm types either may not be constrained by ecological niches or population immunity to the M protein, or they may require several infections over a longer period of time to induce such immunity.

Indexed as

AdolescentAntibodies, BacterialAntigens, BacterialBacterial Outer Membrane ProteinsCarrier ProteinsChildChild, PreschoolFemaleFijiHumansLongitudinal StudiesMaleSkin Diseases, BacterialStreptococcal InfectionsStreptococcus pyogenesStudentsAntibodies, BacterialAntigens, BacterialBacterial Outer Membrane ProteinsCarrier Proteinsstreptococcal M proteinemm clusterimmunityskin infectionStreptococcus pyogenes

Identifiers

PMID31748786
PMCPMC7137891
OpenAlexW2991343902

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.