Evidence map›Paper›PMID 36369600›Full record

ArticleIrish journal of medical science2023

A large outbreak of the Kappa mutation of COVID-19 in Cork, Ireland, April-May 2021.

P M Barrett, O Bruton, M Hanrahan, P F White, A Brennan, K Ertz, R W Chu, S Keogh, J Dean, M T O'Mahony and 4 more

Open access · bronzeAbstract read
In one paragraph

Article in Irish journal of medical science, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact, top 84% 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

0 citing papers in PubMed, 0 citations in OpenAlex.

No citing paper in PubMed yet.

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

14 authors at 4 institutions in 1 country.

P M BarrettDepartment of Public Health HSE-South, St. Finbarr's Hospital, Douglas Road, Cork, Ireland. peter.barrett1@hse.ie.ORCID http://orcid.org/0000-0002-9637-9603
O BrutonDepartment of Public Health HSE-South, St. Finbarr's Hospital, Douglas Road, Cork, Ireland.
M HanrahanDepartment of Public Health HSE-South, St. Finbarr's Hospital, Douglas Road, Cork, Ireland.
P F WhiteDepartment of Public Health HSE-South, St. Finbarr's Hospital, Douglas Road, Cork, Ireland.
A BrennanDepartment of Public Health HSE-South, St. Finbarr's Hospital, Douglas Road, Cork, Ireland.
K ErtzDepartment of Public Health HSE-South, St. Finbarr's Hospital, Douglas Road, Cork, Ireland.
R W ChuSchool of Medicine, University College Cork, Cork, Ireland.
S KeoghCork Complex Contact Tracing Centre, St. Finbarr's Hospital, Douglas Road, Cork, Ireland.
J DeanNational Virus Reference Laboratory, University College Dublin, Dublin, Ireland.
M T O'MahonyDepartment of Public Health HSE-South, St. Finbarr's Hospital, Douglas Road, Cork, Ireland.
M B O'SullivanDepartment of Public Health HSE-South, St. Finbarr's Hospital, Douglas Road, Cork, Ireland.
A SheahanDepartment of Public Health HSE-South, St. Finbarr's Hospital, Douglas Road, Cork, Ireland.
D MurrayDepartment of Public Health HSE-South, St. Finbarr's Hospital, Douglas Road, Cork, Ireland.
Outbreak Control Team
St. Finbarr's Hospital · IENational Cancer Registry · IEUniversity College Cork · IEUniversity College Dublin · IE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIn May 2021, the B.1.617 variant of SARS-CoV-2 emerged in Ireland, and both Delta and Kappa sub-lineages were initially deemed variants of concern (VOCs) on a precautionary basis. We describe a large outbreak of SARS-CoV-2 B.1.617.1 (Kappa mutation) linked to a private gathering among third level students in Cork, Ireland.

methodsSurveillance data were available from the Health Service Executive COVID Care Tracker. The epidemiological sequence of infection for each new case in this outbreak was tracked and whole genome sequencing was requested on all linked cases. Enhanced public health control measures were implemented by the Department of Public Health HSE-South to contain onward spread of VOCs, including retrospective contact tracing, lengthy isolation and quarantine periods for cases and close contacts. Extensive surveillance efforts were used to describe and control onward transmission.

resultsThere were 146 confirmed SARS-CoV-2 cases linked to the outbreak. All sequenced cases (53/146; 36%) confirmed Kappa mutation. The median age was 21 years (range 17-65). The majority (88%) had symptoms of SARS-CoV-2 infection. There were 407 close contacts; the median was 3 per case (range 0-14). There were no known hospitalisations, ICU admissions or deaths. Vaccination data was unavailable, but the outbreak pre-dated routine availability of COVID-19 vaccines among younger adults in Ireland.

conclusionEnhanced public health control measures for new and emerging variants of SARS-CoV-2 may be burdensome for cases and close contacts. The overall public health benefit of enhanced controls may only become apparent when evidence on disease transmissibility and severity becomes more complete.

Indexed as

COVID-19AdolescentAdultAgedCOVID-19 VaccinesDisease OutbreaksHumansIrelandMiddle AgedMutationRetrospective StudiesSARS-CoV-2Young AdultCOVID-19 VaccinesContact tracingKappa mutationSARS-CoV-2SurveillanceVariants of concernWhole genome sequencing

Identifiers

PMID36369600
PMCPMC9651878
OpenAlexW4308933158

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.