Evidence map›Paper›PMID 37889018›Full record

ArticleJournal of clinical microbiology2023

Complex norovirus transmission dynamics at hospital wards revealed by deep sequencing.

Julia Widström, Maria E Andersson, Johan Westin, Martina Wahllöf, Magnus Lindh, Gustaf E Rydell

Abstract read
In one paragraph

Article in Journal of clinical microbiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
–field-weighted citation impact
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

4 citing papers in PubMed.

  1. Article
  2. Article
  3. Non-Secretor Status Due toMicroorganisms · 2025
    Article
  4. Genomic adaptation ofiMetaOmics · 2024
    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.

Julia WidströmDepartment of Infectious Diseases, Sahlgrenska Academy, University of Gothenburg , Gothenburg, Sweden.ORCID 0009-0006-5273-709X
Maria E AnderssonDepartment of Infectious Diseases, Sahlgrenska Academy, University of Gothenburg , Gothenburg, Sweden.ORCID 0000-0003-0005-7114
Johan WestinDepartment of Infectious Diseases, Sahlgrenska Academy, University of Gothenburg , Gothenburg, Sweden.
Martina WahllöfDepartment of Infectious Diseases, Sahlgrenska Academy, University of Gothenburg , Gothenburg, Sweden.
Magnus LindhDepartment of Infectious Diseases, Sahlgrenska Academy, University of Gothenburg , Gothenburg, Sweden.ORCID 0000-0002-8729-7462
Gustaf E RydellDepartment of Infectious Diseases, Sahlgrenska Academy, University of Gothenburg , Gothenburg, Sweden.ORCID 0000-0001-8093-2251

Funding

Regional FoU support Västra Götalandsregionen VGFOUREG-862101Swedish Governmental funds to the Sahlgrenska University Hospital ALFGBG-773541
6 · The paper itself

Abstract

Detailed knowledge regarding norovirus transmission within hospitals is limited. We investigated a norovirus hospital outbreak affecting 65 patients at five different wards. PCR showed that 61 (94%) of the patients were infected with genotype II.4 strains. Successful Ion Torrent deep sequencing of GII.4 positive samples from 59 patients followed by phylogenetic analysis revealed that all sequences but two clustered into four distinct clades. Two of the clades belonged to GII.4 Sydney 2012, while the other two belonged to GII.4 New Orleans 2009. One of the clades was predominant at two wards, while two clades were predominant at one ward each. The fourth clade was found in sporadic cases at several wards. Thus, at four out of five wards, variants from one clade were predominant. At one ward, a single clade accounted for all cases, while at three wards the predominant clade accounted for 60%-71% of cases. Analysis of quasispecies variation identified positions that could further discriminate between variants from separate wards. The results illustrate a complex transmission of healthcare-associated norovirus infections and show that sequencing can be used to discriminate between related and unrelated cases.

Indexed as

Caliciviridae InfectionsCross InfectionNorovirusGenetic VariationGenotypeHigh-Throughput Nucleotide SequencingHospitalsHumansPhylogenyhigh-throughput nucleotide sequencingmolecular epidemiologynorovirus

Identifiers

PMID37889018
PMCPMC10662361

What OpenQuestion holds

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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.