ArticleJournal of medical virology2022
Clinical characteristics and outcomes of healthcare workers with COVID-19 pre- and postvaccination.
Article in Journal of medical virology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
What it found
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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.
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.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it, 7 citations in OpenAlex.
- Headaches and facial pain attributed to SARS-CoV-2 infection and vaccination: a systematic review.European journal of neurology · 2024Pooled it
- COVID-19 Vaccination Uptake and Effectiveness for Hospitalized Cases Among Healthcare Workers in Tertiary Hospital.Vaccines · 2025Article
- SARS-CoV-2 Infections, Re-Infections and Clinical Characteristics: A Two-Year Retrospective Study in a Large University Hospital Cohort of Vaccinated Healthcare Workers.Journal of clinical medicine · 2023Article
- Effect of vaccination on COVID-19 hospitalizations and mortality.Jornal brasileiro de pneumologia : publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia · 2023Article
- Clinical characteristics and outcomes of healthcare workers with COVID-19 pre- and postvaccination.Journal of medical virology · 2022Article
- Multiple sclerosis-disease modifying therapies affect humoral and T-cell response to mRNA COVID-19 vaccine.Frontiers in immunology · 2022Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Vaccines are the most effective strategy to control the spread of coronavirus disease-2019 (COVID-19). Data on COVID-19 among healthcare workers (HCW) pre- and postvaccination are limited. This study aims to evaluate the clinical characteristics and outcomes of HCW with COVID-19 pre- and postvaccination. Retrospective cohort study. All HCWs with suspected COVID-19 were included. Demographic data, occupation, symptoms, work in COVID-19 area, and vaccination status were collected. There were 22 267 HCW visits for suspected COVID-19; 7879 (35.4%) tested positive, and 14 388 (64.6%) tested negative. Fever, cough, fatigue, and dyspnea were positive predictors of COVID-19, and sore throat, headache, coryza, work in a COVID-19 area, and COVID-19 vaccination were negative predictors. Of the total number of visits, 41.2% were from vaccinated HCW and 58.8% were from unvaccinated HCW. Among HCWs with COVID-19, 84 (1.1%) required hospitalization, 11 (0.1%) in an intensive care unit (ICU), with three (0.04%) deaths. Six hospitalizations occurred in vaccinated HCWs, being of short duration, with no need for ICU admission and no deaths. SARS-CoV-2 infection prevalence was high among HCW, and vaccinated HCW had fewer hospitalizations, need for ICU, and deaths. Therefore, vaccines may attenuate COVID-19 severity, and efforts must be concentrated to ensure adequate vaccination for HCW.
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