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The first wave of COVID-19 in hospital staff members of a tertiary care hospital in the greater Paris area: A surveillance and risk factors study

  • Davido, Benjamin1
  • Gautier, Sylvain2, 3
  • Riom, Isabelle2
  • Landowski, Stephanie1
  • Lawrence, Christine4
  • Thiebaut, Anne5
  • Bessis, Simon1
  • Perronne, Veronique1
  • Mascitti, Helene1
  • Noussair, Latifa4
  • Rancon, Martine Domart6
  • Touraine, Beatrice1
  • Rouveix, Elisabeth7, 8
  • Herrmann, Jean-Louis4
  • Annane, Djilalli9
  • de Truchis, Pierre1
  • Delarocque-Astagneau, Elisabeth2, 10
  • 1 Maladies infectieuses, Université Paris-Saclay, AP-HP Hôpital Raymond Poincaré, Garches 92380, France
  • 2 AP-HP, GHU Paris-Saclay University, Raymond Poincaré Hospital, Epidemiology and Public Health Department, Garches 92380, France
  • 3 Université Paris-Saclay, UVSQ, Inserm U1018, CESP, Primary Care and Prevention Team, Villejuif 94807, France
  • 4 Laboratoire de Microbiologie et hygiène, Université Paris-Saclay, AP-HP Hôpital Raymond Poincaré, AP-HP, Garches 92380, France
  • 5 Université Paris-Saclay, Inserm U1018, CESP, High Dimensional Biostatistics Team, Villejuif 94807, France
  • 6 Médecine du Travail, Université Paris-Saclay, AP-HP Hôpital Raymond Poincaré, AP-HP, Garches 92380, France
  • 7 t 92100, France
  • 8 GERES, Groupe d’Etude sur les risques d’Exposition des Soignants, Paris 7518, France
  • 9 & Inflammation – U1173, School of Medicine Simone Veil, University Versailles Saint Quentin – University Paris Saclay, INSERM, Garches 92380, France
  • 10 Université Paris-Saclay, UVSQ, Inserm U1018, CESP, Anti-infective Evasion and Pharmacoepidemiology Team, Villejuif 94807, France
Published Article
International Journal of Infectious Diseases
The Author(s). Published by Elsevier Ltd on behalf of International Society for Infectious Diseases.
Publication Date
Feb 16, 2021
DOI: 10.1016/j.ijid.2021.02.055
PMID: 33607301
PMCID: PMC7884916
PubMed Central
  • Article


Introduction Understanding how hospital staff members (HSMs), including healthcare workers, acquired severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) during the first wave can guide the control measures in the current second wave in Europe. Methods From March 5 to May 10, 2020, the Raymond-Poincaré Hospital held a weekday consultation for HSMs for PCR testing. HSMs were requested to complete a questionnaire on their potential exposure to SARS-CoV-2. Results Of 200 HSMs screened, 70 tested positive for SARS-CoV-2. Ninety-nine HSMs completed the questionnaire of whom 28 tested positive for SARS-CoV-2. In the multivariable analysis, age of ≥44 years (aOR = 5.2, 95% CI [1.4–22.5]) and not systematically using a facemask when caring for a patient (aOR = 13.9, 95% CI [1.8–293.0]) were significantly associated with SARS-CoV-2 infection. Working in a COVID-19-dedicated ward (aOR = 0.7, 95% CI [0.2–3.2]) was not significantly associated with infection. Community-related exposure in and outside the hospital, hospital meetings without facemasks (aOR = 21.3, 95% CI [4.5–143.9]) and private gatherings (aOR = 10, 95% CI [1.3–91.0]) were significantly associated with infection. Conclusions Our results support the effectiveness of barrier precautions and highlight in-hospital infections not related to patient care and infections related to exposure in the community. Protecting HSMs against COVID-19 is crucial in fighting the second wave of the epidemic.

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