Evidence map›Paper›PMID 32666480›Full record

ArticleEuropean journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology2020

Epidemiology of Haemophilus influenzae in the Republic of Ireland, 2010-2018.

Martha McElligott, Kenneth Meyler, Désirée Bennett, Robert Mulhall, Richard J Drew, Robert Cunney

Abstract read
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In one paragraph

Article in European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
2.4field-weighted citation impact, top 12% 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

13 citing papers in PubMed, 27 citations in OpenAlex.

  1. InvasiveDiseases (Basel, Switzerland) · 2026
    Article
  2. Observational
  3. Extensively drug-resistant Haemophilus influenzae isolated in Geneva, Switzerland.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2025
    Article
  4. Trends in serotype distribution and antimicrobial susceptibility pattern of invasive Haemophilus influenzae isolates from Brazil, 2009-2021.International microbiology : the official journal of the Spanish Society for Microbiology · 2025
    Article
  5. Article
  6. Review
  7. Article
  8. Frontiers in microbiology · 2023
    Article
  9. National Danish surveillance of invasive clinicalFrontiers in microbiology · 2023
    Article
  10. Article
  11. Article
  12. Article
  13. NontypeableJournal of immunology (Baltimore, Md. : 1950) · 2021
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

Martha McElligottIrish Meningitis and Sepsis Reference Laboratory, Children's Health Ireland at Temple Street, Dublin, Ireland. martha.mcelligott@cuh.ie.ORCID http://orcid.org/0000-0002-4250-4042
Kenneth MeylerIrish Meningitis and Sepsis Reference Laboratory, Children's Health Ireland at Temple Street, Dublin, Ireland.
Désirée BennettIrish Meningitis and Sepsis Reference Laboratory, Children's Health Ireland at Temple Street, Dublin, Ireland.
Robert MulhallIrish Meningitis and Sepsis Reference Laboratory, Children's Health Ireland at Temple Street, Dublin, Ireland.
Richard J DrewIrish Meningitis and Sepsis Reference Laboratory, Children's Health Ireland at Temple Street, Dublin, Ireland.
Robert CunneyIrish Meningitis and Sepsis Reference Laboratory, Children's Health Ireland at Temple Street, Dublin, Ireland.
Children's Health Ireland at Crumlin · IERoyal College of Surgeons in Ireland · IE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The purpose of this study was to investigate H. influenzae epidemiology in the Republic of Ireland. We performed serotyping, multi-locus sequence typing (MLST) and susceptibility testing on H. influenzae isolates received by the Irish Meningitis and Sepsis Reference Laboratory from 2010 to 2018. Three hundred sixty-seven invasive and 41 non-invasive infection (NII) isolates were received. Invasive isolates were mostly recovered from paediatric (21%) and elderly (42%) populations. Invasive disease was more prevalent in females of childbearing age (72%) compared with males the same age (28%). Non-typeable H. influenzae (NTHi) predominated among invasive (83%) and NII (95%). Invasive Hib disease isolates were infrequent (4%, n = 15). Among invasive disease, Hif was the commonest encapsulated serotype (10%, n = 37), and the only encapsulated serotype detected in NII (5%, 2/41). The first PCR-confirmed serotypes d and a in Ireland were characterised among invasive disease in 2017 and 2018, respectively. MLST revealed a diverse NTHi population, while encapsulated serotypes were clonal. Sequence type (ST) 103 (n = 14) occurred exclusively in invasive NTHi disease. Ampicillin resistance (AmpR) was 18% among invasive isolates and 22% in NII. β-Lactamase production was the main source of ampicillin resistance in invasive and NII isolates. We detected β-lactamase negative ampicillin resistance (BLNAR) among invasive isolates. We report an NTHi fluoroquinolone-resistant clone: ST1524 among invasive (n = 2) and NII isolates (n = 2). The Hib vaccine has positively impacted on Hib disease in Ireland, given the low frequency of Hib. The dominance of NTHi, emergence of serotypes a and d and BLNAR suggest a changing H. influenzae epidemiology in Ireland.

Indexed as

AdolescentAdultAgedAged, 80 and overAmpicillin ResistanceAnti-Bacterial AgentsBacterial CapsulesChildChild, PreschoolFemaleHaemophilus InfectionsHaemophilus influenzaeHaemophilus VaccinesHumansInfantInfant, NewbornAnti-Bacterial AgentsHaemophilus influenzae type b polysaccharide vaccineHaemophilus VaccinesAmpicillin resistanceBeta-lactamase negative ampicillin resistanceBeta-lactamase productionHaemophilus influenzaeHib vaccineNon-typeable H. influenzae

Identifiers

PMID32666480
OpenAlexW3043313384

What OpenQuestion holds

Textmetadata
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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.