作者
Phillip W Clapp, Emily E Sickbert-Bennett, James M Samet, Jon Berntsen, Kirby L Zeman, Deverick J Anderson, David J Weber, William D Bennett
发表日期
2021/4/1
期刊
JAMA Internal Medicine
卷号
181
期号
4
页码范围
463-469
出版商
American Medical Association
简介
Importance
During the coronavirus disease 2019 (COVID-19) pandemic, the general public has been advised to wear masks or improvised face coverings to limit transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). However, there has been considerable confusion and disagreement regarding the degree to which masks protect the wearer from airborne particles.
Objectives
To evaluate the fitted filtration efficiency (FFE) of various consumer-grade and improvised face masks, as well as several popular modifications of medical procedure masks that are intended to improve mask fit or comfort.
Design, Setting, and Participants
For this study conducted in a research laboratory between June and August 2020, 7 consumer-grade masks and 5 medical procedure mask modifications were fitted on an adult male volunteer, and FFE measurements were collected during a series of repeated …
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PW Clapp, EE Sickbert-Bennett, JM Samet, J Berntsen… - JAMA Internal Medicine, 2021