articleBMJApr 9, 2020BRONZE OA

Face masks for the public during the covid-19 crisis

TGTrisha GreenhalghMBManuel B SchmidTCThomas CzypionkaDBDirk BasslerLGLaurence Gruer

University Hospital of Zurich · University of Zurich · +4 more institutions

PubMed
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Abstract

As the Covid-19 crisis deepens, some researchers have argued for the widespread routine use of face masks in community settings, despite acknowledged gaps in the evidence base for the effectiveness of such a measure. We argue that such calls are premature, and risk neglecting important potential harms and negative consequences, known and unknown. We identify potential unintended consequences at multiple levels, from individual-behavioural to macrosocial, and suggest that it is far from clear that the benefits of widespread uptake of face masks, whether encouraged or enforced by public authorities, outweigh the downsides. Finally, we make the case for caution in communicating unequivocal messages about the…

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647
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100%
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22
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Authors

5
  • TG
    Trisha GreenhalghCorresponding
  • MB
    Manuel B Schmid

    University Hospital of Zurich, University of Zurich

  • TC
    Thomas Czypionka

    Institut für Höhere Studien - Institute for Advanced Studies (IHS), London School of Economics and Political Science

  • DB
    Dirk Bassler

    University Hospital of Zurich, University of Zurich

  • LG
    Laurence Gruer

    University of Glasgow, University of Edinburgh

Topics & keywords

Keywords
  • Face (sociological concept)
  • Unintended consequences
  • Face masks
  • Coronavirus disease 2019 (COVID-19)
  • 2019-20 coronavirus outbreak
  • Scientific evidence
  • MEDLINE
  • Public health
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