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Seroprevalence of SARS-CoV-2 infection in health care workers of a teaching hospital in Belgium: self-reported occupational and household risk factors for seropositivity.
Scohy, Anaïs; Gruson, Damien; Simon, Anne; Kabamba-Mukadi, Benoît; De Greef, Julien; Belkhir, Leïla; Rodriguez-Villalobos, Hector; Robert, Annie; Yombi, Jean Cyr.
  • Scohy A; Department of Laboratory Medicine, Cliniques universitaires Saint-Luc, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium.
  • Gruson D; Department of Laboratory Medicine, Cliniques universitaires Saint-Luc, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium.
  • Simon A; Prevention and infection control, Centres hospitaliers Jolimont, Haine-Saint-Paul, Belgium.
  • Kabamba-Mukadi B; Department of Laboratory Medicine, Cliniques universitaires Saint-Luc, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium.
  • De Greef J; Department of Internal Medicine and Infectious Diseases, Cliniques universitaires Saint-Luc, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium.
  • Belkhir L; Department of Internal Medicine and Infectious Diseases, Cliniques universitaires Saint-Luc, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium.
  • Rodriguez-Villalobos H; Department of Laboratory Medicine, Cliniques universitaires Saint-Luc, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium.
  • Robert A; Epidemiology and Biostatistics Research Unit, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium.
  • Yombi JC; Department of Internal Medicine and Infectious Diseases, Cliniques universitaires Saint-Luc, Institut de Recherche Expérimentale et Clinique, Université catholique de Louvain, Brussels, Belgium. Electronic address: Jean.yombi@uclouvain.be.
Diagn Microbiol Infect Dis ; 100(4): 115414, 2021 Aug.
Article in English | MEDLINE | ID: covidwho-1252664
ABSTRACT
This study aims to evaluate SARS-CoV-2 seroprevalence among health care workers (HCWs) and to assess self-reported risk factors for seropositivity. A total of 3255 HCWs were included and the overall seroprevalence was 7.8%. The likelihood of seropositivity was higher in participants reporting any COVID-19 symptoms within the last 4 months (OR 8.32, 95% CI 5.83-11.88, P < 0.001). Being a female HCW (OR 1.32, 95% CI 1.11-2.32, P < 0.01), having a cohabitant who was infected with SARS-CoV-2 (OR 2.55, 95% CI 1.78-3.66 P < 0.001) or a cohabitant who was a nursing home caregiver (OR 3.71, 95% CI 1.59-8.65, P = 0.002) were independently associated with an increased risk of seropositivity. Working in a COVID-19 unit (OR 1.64, 95% CI 1.21-2.23, P < 0.001) and being exposed to a SARS-CoV-2 infected co-worker (OR 1.30,95% CI 0.97-1.74, P = 0.016) resulted in higher seropositivity rate. Even if in-hospital exposure may play a significant role, increased infection risk is most likely attributable to household contact.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Occupational Exposure / Health Personnel / SARS-CoV-2 / COVID-19 / Hospitals, Teaching Type of study: Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Limits: Adult / Female / Humans / Male / Middle aged Country/Region as subject: Europa Language: English Journal: Diagn Microbiol Infect Dis Year: 2021 Document Type: Article Affiliation country: J.diagmicrobio.2021.115414

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Occupational Exposure / Health Personnel / SARS-CoV-2 / COVID-19 / Hospitals, Teaching Type of study: Experimental Studies / Observational study / Prognostic study / Randomized controlled trials Limits: Adult / Female / Humans / Male / Middle aged Country/Region as subject: Europa Language: English Journal: Diagn Microbiol Infect Dis Year: 2021 Document Type: Article Affiliation country: J.diagmicrobio.2021.115414