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Environmental contamination of SARS-CoV-2 in healthcare premises.

Authors
  • Ye, Guangming1
  • Lin, Hualiang2
  • Chen, Song3
  • Wang, Shichan1
  • Zeng, Zhikun1
  • Wang, Wei1
  • Zhang, Shiyu2
  • Rebmann, Terri4
  • Li, Yirong1
  • Pan, Zhenyu5
  • Yang, Zhonghua3
  • Wang, Ying6
  • Wang, Fubing1
  • Qian, Zhengmin4
  • Wang, Xinghuan7
  • 1 Department of Laboratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China. , (China)
  • 2 Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China. , (China)
  • 3 Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China. , (China)
  • 4 Department of Epidemiology and Biostatistics, College for Public Health& Social Justice, Saint Louis University, USA.
  • 5 Department of Medical Administration, Zhongnan Hospital of Wuhan University, Wuhan, China. , (China)
  • 6 Department of Nosocomial Infection, Zhongnan Hospital of Wuhan University, Wuhan, China. , (China)
  • 7 Department of Urology, Zhongnan Hospital of Wuhan University, Wuhan, China; Center for Evidence-Based and Translational Medicine, Zhongnan Hospital of Wuhan University, Wuhan, China; Wuhan Leishenshan Hospital, Wuhan, China. , (China)
Type
Published Article
Journal
The Journal of infection
Publication Date
Apr 30, 2020
Identifiers
DOI: 10.1016/j.jinf.2020.04.034
PMID: 32360881
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

A large number of healthcare workers (HCWs) were infected by SARS-CoV-2 during the ongoing outbreak of COVID-19 in Wuhan, China. Hospitals are significant epicenters for the human-to-human transmission of the SARS-CoV-2 for HCWs, patients, and visitors. No data has been reported on the details of hospital environmental contamination status in the epicenter of Wuhan. We collected 626 surface swabs within the Zhongnan Medical Center in Wuhan in the mist of the COVID-19 outbreak between February 7 - February 27, 2020. Dacron swabs were aseptically collected from the surfaces of 13 hospital function zones, five major objects, and three major PPE. The SARS-CoV-2 RNAs were detected by reverse transcription-PCR. The most contaminated zones were the intensive care unit specialized for taking care of novel coronavirus pneumonia (NCP) (31.9%), Obstetric Isolation Ward specialized for pregnant women with NCP (28.1%), and Isolation Ward for NCP (19.6%). We classified the 13 zones into four contamination levels. The most contaminated objects were self-service printers (20.0%), desktop/keyboard (16.8%), and doorknob (16.0%). Both hand sanitizer dispensers (20.3%) and gloves (15.4%) were the most contaminated PPE. Our findings emphasize the urgent need to ensure adequate environmental cleaning, strengthen infection prevention training, and improve infection prevention among HCWs during the outbreak of COVID-19. Copyright © 2020. Published by Elsevier Ltd.

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