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Research

Effectiveness of N95 respirators versus surgical masks in protecting health care workers from acute respiratory infection: a systematic review and meta-analysis

Jeffrey D. Smith, Colin C. MacDougall, Jennie Johnstone, Ray A. Copes, Brian Schwartz and Gary E. Garber
CMAJ May 17, 2016 188 (8) 567-574; DOI: https://doi.org/10.1503/cmaj.150835
Jeffrey D. Smith
Public Health Ontario (Smith, MacDougall, Johnstone, Copes, Schwartz, Garber); Department of Medicine (Johnstone), University of Toronto; Dalla Lana School of Public Health (Copes, Schwartz), University of Toronto, Toronto, Ont.; Department of Medicine (Garber), University of Ottawa, Ottawa, Ont.
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Colin C. MacDougall
Public Health Ontario (Smith, MacDougall, Johnstone, Copes, Schwartz, Garber); Department of Medicine (Johnstone), University of Toronto; Dalla Lana School of Public Health (Copes, Schwartz), University of Toronto, Toronto, Ont.; Department of Medicine (Garber), University of Ottawa, Ottawa, Ont.
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Jennie Johnstone
Public Health Ontario (Smith, MacDougall, Johnstone, Copes, Schwartz, Garber); Department of Medicine (Johnstone), University of Toronto; Dalla Lana School of Public Health (Copes, Schwartz), University of Toronto, Toronto, Ont.; Department of Medicine (Garber), University of Ottawa, Ottawa, Ont.
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Ray A. Copes
Public Health Ontario (Smith, MacDougall, Johnstone, Copes, Schwartz, Garber); Department of Medicine (Johnstone), University of Toronto; Dalla Lana School of Public Health (Copes, Schwartz), University of Toronto, Toronto, Ont.; Department of Medicine (Garber), University of Ottawa, Ottawa, Ont.
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Brian Schwartz
Public Health Ontario (Smith, MacDougall, Johnstone, Copes, Schwartz, Garber); Department of Medicine (Johnstone), University of Toronto; Dalla Lana School of Public Health (Copes, Schwartz), University of Toronto, Toronto, Ont.; Department of Medicine (Garber), University of Ottawa, Ottawa, Ont.
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Gary E. Garber
Public Health Ontario (Smith, MacDougall, Johnstone, Copes, Schwartz, Garber); Department of Medicine (Johnstone), University of Toronto; Dalla Lana School of Public Health (Copes, Schwartz), University of Toronto, Toronto, Ont.; Department of Medicine (Garber), University of Ottawa, Ottawa, Ont.
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  • For correspondence: gary.garber@oahpp.ca
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    • Appendix 1: Supplementary content
    • Appendix 2: Summary of data from surrogate exposure studies

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  • (2016). Highlights. CMAJ, 188(8), 551. Accessed March 05, 2021. Retrieved from http://www.cmaj.ca/content/188/8/551.
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Canadian Medical Association Journal: 188 (8)
CMAJ
Vol. 188, Issue 8
17 May 2016
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Effectiveness of N95 respirators versus surgical masks in protecting health care workers from acute respiratory infection: a systematic review and meta-analysis
Jeffrey D. Smith, Colin C. MacDougall, Jennie Johnstone, Ray A. Copes, Brian Schwartz, Gary E. Garber
CMAJ May 2016, 188 (8) 567-574; DOI: 10.1503/cmaj.150835

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Effectiveness of N95 respirators versus surgical masks in protecting health care workers from acute respiratory infection: a systematic review and meta-analysis
Jeffrey D. Smith, Colin C. MacDougall, Jennie Johnstone, Ray A. Copes, Brian Schwartz, Gary E. Garber
CMAJ May 2016, 188 (8) 567-574; DOI: 10.1503/cmaj.150835
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