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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: Am J Otolaryngol. 2021 Mar 31;42(5):103017. doi: 10.1016/j.amjoto.2021.103017

Figure 1. Study Protocol.

Figure 1.

Timing of the swabs during each clinic cycle. Fungal and bacterial swabs were performed on both the inside and outside of the respirators. Viral swabs were only done on the outside of the respirators.