Abstract

The COVID-19 pandemic has highlighted the importance of protecting health care workers (HCWs) from airborne viral transmissions. Airborne personal protective equipment importantly includes at least a well-fitted N95 mask (alternatively elastomer half- or full-mask respirator, or a powered air-purifying respirator). Fit-testing is required to help select the optimal N95 mask and to ensure that the N95 mask worn fits each individual’s shape and facial anthropometric dimensions and that there is no demonstrable leak during simulated workplace exercises.

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