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Tytuł:
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The role of community-wide wearing of face mask for control of coronavirus disease 2019 (COVID-19) epidemic due to SARS-CoV-2.
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Autorzy:
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Cheng VC; Department of Microbiology, Queen Mary Hospital, Hong Kong Special Administrative Region, China; Infection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.
Wong SC; Infection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.
Chuang VW; Quality & Safety Division (Infection, Emergency, and Contingency), Hospital Authority, Hong Kong Special Administrative Region, China.
So SY; Department of Microbiology, Queen Mary Hospital, Hong Kong Special Administrative Region, China.
Chen JH; Department of Microbiology, Queen Mary Hospital, Hong Kong Special Administrative Region, China.
Sridhar S; Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.
To KK; Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.
Chan JF; Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.
Hung IF; Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.
Ho PL; Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.
Yuen KY; Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China. Electronic address: .
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Źródło:
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The Journal of infection [J Infect] 2020 Jul; Vol. 81 (1), pp. 107-114. Date of Electronic Publication: 2020 Apr 23.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Publication: Kent, UK : W.B. Saunders
Original Publication: London, New York, Academic Press.
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MeSH Terms:
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Betacoronavirus*
Protective Clothing*
Public Health*
Coronavirus Infections/*prevention & control
Pandemics/*prevention & control
Pneumonia, Viral/*prevention & control
COVID-19 ; Humans ; SARS-CoV-2
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References:
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Contributed Indexing:
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Keywords: COVID-19; Community; Coronavirus; Epidemic; Face mask; SARS-COV-2
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Entry Date(s):
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Date Created: 20200427 Date Completed: 20200626 Latest Revision: 20210708
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Update Code:
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20240105
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PubMed Central ID:
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PMC7177146
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DOI:
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10.1016/j.jinf.2020.04.024
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PMID:
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32335167
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Background: Face mask usage by the healthy population in the community to reduce risk of transmission of respiratory viruses remains controversial. We assessed the effect of community-wide mask usage to control coronavirus disease 2019 (COVID-19) in Hong Kong Special Administrative Region (HKSAR).
Methods: Patients presenting with respiratory symptoms at outpatient clinics or hospital wards were screened for COVID-19 per protocol. Epidemiological analysis was performed for confirmed cases, especially persons acquiring COVID-19 during mask-off and mask-on settings. The incidence of COVID-19 per million population in HKSAR with community-wide masking was compared to that of non-mask-wearing countries which are comparable with HKSAR in terms of population density, healthcare system, BCG vaccination and social distancing measures but not community-wide masking. Compliance of face mask usage in the HKSAR community was monitored.
Findings: Within first 100 days (31 December 2019 to 8 April 2020), 961 COVID-19 patients were diagnosed in HKSAR. The COVID-19 incidence in HKSAR (129.0 per million population) was significantly lower (p<0.001) than that of Spain (2983.2), Italy (2250.8), Germany (1241.5), France (1151.6), U.S. (1102.8), U.K. (831.5), Singapore (259.8), and South Korea (200.5). The compliance of face mask usage by HKSAR general public was 96.6% (range: 95.7% to 97.2%). We observed 11 COVID-19 clusters in recreational 'mask-off' settings compared to only 3 in workplace 'mask-on' settings (p = 0.036 by Chi square test of goodness-of-fit).
Conclusion: Community-wide mask wearing may contribute to the control of COVID-19 by reducing the amount of emission of infected saliva and respiratory droplets from individuals with subclinical or mild COVID-19.
Competing Interests: Declaration of Competing Interest All authors report no conflicts of interest relevant to this article.
(Copyright © 2020 The British Infection Association. Published by Elsevier Ltd. All rights reserved.)
Comment in: J Infect. 2020 Sep;81(3):e51-e52. (PMID: 32593657)
Comment in: J Infect. 2020 Sep;81(3):e1-e5. (PMID: 32682733)
