Table 4.

WPF against fungal spores with two types of respirators.

Respirator type	No. of WPFs	WPF GM (GSD)
N-95 filtering facepiece	2	5 (3.6)
Elastometric half-facepiece	4	40 (2.9)

Abbreviations: GM, geometric mean; GSD, geometric standard deviation. Each respirator type was tested in one subject.