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http://hdl.handle.net/10397/68902
Title: | Ventilation of general hospital wards for mitigating infection risks of three kinds of viruses including Middle East respiratory syndrome coronavirus | Authors: | Yu, HC Mui, KW Wong, LT Chu, HS |
Issue Date: | 1-Apr-2017 | Source: | Indoor and built environment, 1 Apr. 2017, v. 26, no. 4, p. 514-527 | Abstract: | This study investigates the effectiveness of ventilation design strategies for general hospital wards in terms of virus removal capacity. A typical semi-enclosed six-bed general ward of Hong Kong hospitals and three respiratory viruses, namely Middle East respiratory syndrome coronavirus (MERS-CoV), severe acute respiratory syndrome coronavirus (SARS-CoV) and H1N1 influenza virus, were chosen for the computational fluid dynamics (CFD) simulation of airflow field and virus dispersion inside the ward. The results demonstrated that the location of an infected patient would affect the infection risks to other occupants and healthcare workers inside the same hospital ward, and an increased air change rate in the ward could reduce the risk of infection from direct contact and inhalation. It was found that an air change rate of 9 h−1 could effectively minimize the deposition and floating time of respiratory virus particles while maximizing energy efficiency. This study should provide a useful source of reference for the hospital management to mitigate the risk of infection with MERS or other airborne transmitted viruses through better ventilation design strategies. | Keywords: | Ventilation Virus dispersion Hospital general wards CFD Middle East respiratory syndrome (MERS) |
Publisher: | SAGE Publications | Journal: | Indoor and built environment | ISSN: | 1420-326X | EISSN: | 1423-0070 | DOI: | 10.1177/1420326X16631596 | Rights: | This is the accepted version of the publication Yu, H. C., Mui, K. W., Wong, L. T., & Chu, H. S., Ventilation of general hospital wards for mitigating infection risks of three kinds of viruses including middle east respiratory syndrome coronavirus, Indoor and Built Environment (Volume 26 and issue 4) pp. 514-527. Copyright © 2016 (The Author(s)). DOI: 10.1177/1420326X16631596. |
Appears in Collections: | Journal/Magazine Article |
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IBE-15-0265.R1-WongLingTim_ref_NoTrack_-_Copy.pdf | Pre-Published version | 1.65 MB | Adobe PDF | View/Open |
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