Brazilian Journal of Anesthesiology
Brazilian Journal of Anesthesiology
Letter to the Editor

Donning N95 respirator masks during COVID-19 pandemic: look before you leap!

Colocação de máscaras (respiradores) N95 durante a pandemia de COVID-19: pense antes de agir!

Anju Gupta, Ajisha Aravindan, Kapil Dev Soni

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[1] M.T. Bessesen, C. Savor-Price, M. Simberkoff, N.G. Reich, A.T. Pavia, L.J. Radonovich N95 respirators or surgical masks to protect healthcare workers against respiratory infections: are we there yet? Am F J. Respir Crit Care Med., 187 (2013), pp. 904-905

[2] Institute of Medicine. Preparing for an Influenza Pandemic: Personal Protective Equipment for Healthcare Workers. Washington, DC: The National Academies Press. 2008. Available from: 10.17226/11980; (accessed: November 25, 2020).

[3] National Health Service. Are face masks useful for preventing coronavirus? 2020. Available from:; (accessed: December 9, 2020).

[4] National Institute for Occupational Safety and Health, DHHS (NIOSH) U.S. How to properly put on and take off a disposable respirator. Department of Health and Human Services, Centers for Disease Control and Prevention, Publication No. 2010-133, 2010. Available from:; (accessed: December 15, 2020).

[5] D.J. Viscusi, M.S. Bergman, Z. Zhuang, R.E. Shaffer Evaluation of the benefit of the user seal check on N95 filtering facepiece respirator fit J Occup Environ Hyg., 9 (2012), pp. 408-416

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