Effect of Fit Testing on the Protection Offered by N95 Filtering Facepiece Respirators Against Fine Particles in a Laboratory Setting

There is increased interest in the performance of respirators against fine particles such as nanoparticles (natural and engineered) and bioaerosol articles (e.g. viruses and bacteria). Although the effect of particle size on the performance of respirators has been studied in the laboratory using manikins, only a few studies have been conducted with human subjects.

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