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The role of supporting services in driving SARS-CoV-2 transmission within healthcare settings: A multicenter seroprevalence study.

Authors
  • Al-Maani, Amal1
  • Al Wahaibi, Adil2
  • Al-Sooti, Jabir3
  • Al Abri, Bader2
  • Al Shukri, Intisar4
  • AlRisi, Elham5
  • Al Abri, Laila6
  • AlDaghari, Khalid7
  • Al Subhi, Mahmood6
  • AlMaqbali, Salima5
  • AlBurtamani, Salim7
  • AlAbri, Asma5
  • Al Salami, Ahmed6
  • Al-Beloushi, Iman3
  • Al-Zadjali, Najla3
  • Alqayoudhi, Abdullah3
  • Al-Kindi, Hanan4
  • Al Shaqsi, Khalifa7
  • Al-Jardani, Amina4
  • Al-Abri, Seif8
  • 1 Directorate-General for Diseases Surveillance and Control (DGDSC), MoH, Muscat, Oman; Department of Infection Prevention and Control, DGDSC, MoH, Muscat, Oman. Electronic address: [email protected] , (Oman)
  • 2 Directorate-General for Diseases Surveillance and Control (DGDSC), MoH, Muscat, Oman; Surveillance Department, DGDSC, MoH, Muscat, Oman. , (Oman)
  • 3 Directorate-General for Diseases Surveillance and Control (DGDSC), MoH, Muscat, Oman; Department of Infection Prevention and Control, DGDSC, MoH, Muscat, Oman. , (Oman)
  • 4 Directorate-General for Diseases Surveillance and Control (DGDSC), MoH, Muscat, Oman; Central Public Health Laboratory, DGDSC, MoH, Muscat, Oman. , (Oman)
  • 5 Sohar Hospital, Governorate of North Batinah, Oman. , (Oman)
  • 6 Rustaq Hospital, Governorate of South Batinah, Oman. , (Oman)
  • 7 Nizwa Hospital, Governorate of AL-Dakhalia, Oman. , (Oman)
  • 8 Directorate-General for Diseases Surveillance and Control (DGDSC), MoH, Muscat, Oman. , (Oman)
Type
Published Article
Journal
International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases
Publication Date
Apr 27, 2021
Volume
107
Pages
257–263
Identifiers
DOI: 10.1016/j.ijid.2021.04.071
PMID: 33930541
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

To determine the seroprevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in healthcare workers (HCWs) based on risk of exposure to COVID-19 patients. This was a SARS-CoV-2 seroprevalence cross-sectional study in risk-stratified HCWs randomly selected from three main district hospitals in Oman. 1078 HCWs were included, with an overall SARS-CoV-2 seroprevalence of 21%. The seropositivity rates in low-, variable-, and high-risk groups were 29%, 18%, and 17%, respectively (p-value < 0.001). The study found higher positivity in males (crude odds ratio [COR] 1.71, 95% confidence interval [CI] 1.28-2.3), and workers residing in high-prevalence areas (COR 2.09, 95% CI 1.42-3.07). Compared with doctors, workers from supporting services, administration staff, and nurses were more likely to test positive for SARS-CoV-2 antibodies (COR 9.81, 95% CI 5.26-18.27; 2.37, 95% CI 1.23-4.58; 2.08 95% CI 1.14-3.81). The overall rate of previously undetected infection was 12%, with higher values in low-risk HCWs. High district prevalence was a driving factor for seropositivity in the low-risk group (adjusted odds ratio [AOR] 2.36, 95% CI 1.0-5.59). Low-risk supporting services workers can drive SARS-CoV-2 transmission in hospitals. More attention and innovation within this area will enhance the safety of health care during epidemics/pandemics. Copyright © 2021 The Author(s). Published by Elsevier Ltd.. All rights reserved.

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