Evidence map›Paper›PMID 33574465›Full record

ArticleScientific reports2021

Livestock-associated MRSA survival on house flies (Musca domestica) and stable flies (Stomoxys calcitrans) after removal from a Danish pig farm.

Jonno Jorn Stelder, Lene Jung Kjær, Lars Bogø Jensen, Anette Ella Boklund, Matt Denwood, Margrethe Carlsen, René Bødker

Abstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing 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

12 citing papers in PubMed.

  1. Article
  2. Article
  3. Colistin-ResistantAntibiotics (Basel, Switzerland) · 2025
    Article
  4. Article
  5. Article
  6. Antibiotics (Basel, Switzerland) · 2024
    Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. 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

7 authors.

Jonno Jorn StelderSection for Animal Welfare and Disease Control, Department of Veterinary and Animal Sciences, Copenhagen University, Grønnegårdsvej 8, 1870, Frederiksberg C, Denmark. jonno.stelder@sund.ku.dk.
Lene Jung KjærSection for Animal Welfare and Disease Control, Department of Veterinary and Animal Sciences, Copenhagen University, Grønnegårdsvej 8, 1870, Frederiksberg C, Denmark.
Lars Bogø JensenNational Food Institute, DTU Technical University of Denmark, Kemitorvet Building 204, 2800, Lyngby, Denmark.
Anette Ella BoklundSection for Animal Welfare and Disease Control, Department of Veterinary and Animal Sciences, Copenhagen University, Grønnegårdsvej 8, 1870, Frederiksberg C, Denmark.
Matt DenwoodSection for Animal Welfare and Disease Control, Department of Veterinary and Animal Sciences, Copenhagen University, Grønnegårdsvej 8, 1870, Frederiksberg C, Denmark.
Margrethe CarlsenNational Food Institute, DTU Technical University of Denmark, Kemitorvet Building 204, 2800, Lyngby, Denmark.
René BødkerSection for Animal Welfare and Disease Control, Department of Veterinary and Animal Sciences, Copenhagen University, Grønnegårdsvej 8, 1870, Frederiksberg C, Denmark.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We caught stable- and house flies on a Danish LA-MRSA positive pig farm. Stable- and house flies were housed together and culled over time to test for the presence of live LA-MRSA bacteria at 24 h intervals to establish the length of time for which LA-MRSA can persist on flies. On average, 7% of stable flies and 27% of house flies tested positive for LA-MRSA immediately upon removal from the farm. LA-MRSA prevalence decreased over time and estimates based on a Kaplan-Meier time-to-event analysis indicated that the probability of a stable- or house fly testing positive for LA-MRSA was 5.4% and 7.8% after 24 h, 3.5% and 4.3% after 48 h, 3.1% and 2.2% after 72 h and 0.4% and 0% after 96 h of removal from the pig farm, respectively. Simultaneously, we found that caged cultivated house flies became carriers of LA-MRSA, without direct contact with pigs, in the same proportions as wild flies inside the farm. We provide distance distributions of Danish pig farms and residential addresses as well as the calculated maximum dispersal potentials of stable- and house flies, which suggest that there is a potential for stable- and house flies dispersing live LA-MRSA bacteria into the surrounding environment of a pig farm. This potential should therefore be considered when modelling the spread between farms or the risk posed to humans living in close proximity to LA-MRSA pig farm sources.

Indexed as

AnimalsDenmarkFarmsHousefliesLivestockMethicillin-Resistant Staphylococcus aureusMuscidaeStaphylococcal InfectionsSwine

Identifiers

PMID33574465
PMCPMC7878913

What OpenQuestion holds

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Registered trials

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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.