Evidence map›Paper›PMID 36465098›Full record

ArticleInfection prevention in practice2023

Infection of healthcare workers despite a high vaccination rate during the fifth wave of COVID-19 due to Omicron variant in Hong Kong.

Shuk-Ching Wong, Veronica Wing-Man Chan, Lithia Lai-Ha Yuen, Christine Ho-Yan AuYeung, Jessica Oi-Yan Leung, Chi-Kuen Li, Monica Oi-Tung Kwok, Simon Yung-Chun So, Jonathan Hon-Kwan Chen, Kelvin Hei-Yeung Chiu and 6 more

Open access · goldAbstract read
In one paragraph

Article in Infection prevention in practice, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
2.9field-weighted citation impact, top 8% 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

16 citing papers in PubMed, 21 citations in OpenAlex.

  1. Trial
  2. Article
  3. Bioactive Compounds ofInternational journal of molecular sciences · 2026
    Article
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  5. Article
  6. The Impact of Serum/Plasma Proteomics on SARS-CoV-2 Diagnosis and Prognosis.International journal of molecular sciences · 2024
    Review
  7. Article
  8. Article
  9. SARS-CoV-2 anti-N antibodies among healthcare personnel without previous known COVID-19.Antimicrobial stewardship & healthcare epidemiology : ASHE · 2024
    Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Review
  16. Prevalence and correlates ofClinical epidemiology and global health
    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

16 authors at 3 institutions in 2 countries.

Shuk-Ching WongInfection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.
Veronica Wing-Man ChanInfection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.
Lithia Lai-Ha YuenInfection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.
Christine Ho-Yan AuYeungInfection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.
Jessica Oi-Yan LeungInfection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.
Chi-Kuen LiInfection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.
Monica Oi-Tung KwokInfection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.
Simon Yung-Chun SoDepartment of Microbiology, Queen Mary Hospital, Hong Kong Special Administrative Region, China.
Jonathan Hon-Kwan ChenDepartment of Microbiology, Queen Mary Hospital, Hong Kong Special Administrative Region, China.
Kelvin Hei-Yeung ChiuDepartment of Microbiology, Queen Mary Hospital, Hong Kong Special Administrative Region, China.
Anthony Raymond TamDepartment of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.
Ivan Fan-Ngai HungDepartment of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.
Kelvin Kai-Wang ToDepartment of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.
Janice Yee-Chi LoCentre for Health Protection, Department of Health, Hong Kong Special Administrative Region, China.
Kwok-Yung YuenDepartment of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.
Vincent Chi-Chung ChengInfection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.
Queen Mary Hospital · CNUniversity of Hong Kong · HKDepartment of Health · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: No nosocomial infection was recorded in our healthcare workers (HCWs) during the early phase of the coronavirus disease 2019 (COVID-19) pandemic. With the emergence of the Omicron variant of increased transmissibility, infection in HCWs occurred as expected. We aimed to study the epidemiology of infection in HCWs and to describe the infection control measures during the outbreak of the Omicron variant. Methods: With daily rapid antigen testing and molecular confirmation test for COVID-19, infected HCWs were interviewed by infection control nurses (ICNs) to investigate the potential source of infection. The epidemiology of COVID-19 in Hong Kong served as reference. Results: During the fifth wave of COVID-19 (31 December 2021 to 31 May 2022), 1,200,068 cases were reported (incidence 95 times higher than in preceding waves in Hong Kong; 162,103 vs 1,707 per million population respectively, Conclusion: Omicron variant is highly transmissible such that breakthrough infection occurred despite high level of vaccination.

Indexed as

COVID-19Healthcare workersHong KongOmicronSARS-CoV-2Vaccination

Identifiers

PMID36465098
PMCPMC9705264
OpenAlexW4311146647

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.