Face mask fit hacks: Improving the fit of KN95 masks and surgical masks with fit alteration techniques.

ABSTRACT:

Introduction

During the course of the COVID-19 pandemic, there have been suggestions that various techniques could be employed to improve the fit and, therefore, the effectiveness of face masks. It is well recognized that improving fit tends to improve mask effectiveness, but whether these fit modifiers are reliable remains unexplored. In this study, we assess a range of common "fit hacks" to determine their ability to improve mask performance.

Methods

Between July and September 2020, qualitative fit testing was performed in an indoor living space. We used quantitative fit testing to assess the fit of both surgical masks and KN95 masks, with and without 'fit hacks', on four participants. Seven fit hacks were evaluated to assess impact on fit. Additionally, one participant ap

SUBMITTER: O'Kelly E 

PROVIDER: S-EPMC8809580 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature