N-95 masks: how much do we know?

N95 masks are usually made of four layers of melt-blown nonwoven polypropylene fabric treated to sustain an electrostatic charge. [...]in addition to creating a mechanical barrier against aerosols, the filters retain charged particles, such as bacteria. The most important thing in using the masks is...

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Published in:The Egyptian journal of internal medicine 2020, Vol.32 (1), p.13-2, Article 13
Main Authors: Bakshi, Satvinder Singh, Bakshi, Sumita
Format: Article
Language:English
Subjects:
Coronaviruses
COVID-19
Intensive care
Internal Medicine
Letter to the Editor
Masks
Medicine
Medicine & Public Health
Occupational safety
Personal protective equipment
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Bakshi, Sumita
description N95 masks are usually made of four layers of melt-blown nonwoven polypropylene fabric treated to sustain an electrostatic charge. [...]in addition to creating a mechanical barrier against aerosols, the filters retain charged particles, such as bacteria. The most important thing in using the masks is that a “fit test” should be done in the beginning to check for the fit of the mask by using masks of different sizes. Besides every time while donning the mask a “user seal check” with either positive or negative pressure should be performed [3, 4]. Availability of data and materials Not applicable Ethics approval and consent to participate Not applicable Consent for publication Not applicable Competing interests None declared AbbreviationsCOVID-19 Corona virus 2019PPE Personal protection equipmentNIOSH National Institute for Occupational Safety and Health Publisher’s Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
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subjects Coronaviruses
COVID-19
Intensive care
Internal Medicine
Letter to the Editor
Masks
Medicine
Medicine & Public Health
Occupational safety
Personal protective equipment
title N-95 masks: how much do we know?
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