Angeli Eloise Torres, MD, DPDS 1 its effect on N95 respirator integrity rather than a quantification of its virucidal activity. 2 This 24 makes it difficult to compare its virucidal advantage over ultraviolet C (UVC) and other 25 methods. 2 Dry heating requires direct supervision during its delivery, as too high a temperature 26 (>100°C) is known to decrease the filtering capacity of respirators and masks. 2 In addition, the 27 effect of dry heating on respirator -and possibly mask -integrity varies significantly depending 28 on the approach used (laboratory oven, dry microwaving, or rice cooker without water) 2 and the 29 specific respirator or mask model. For N95 respirators, failure of fit-testing after 30 decontamination would have potential catastrophic effects on healthcare providers. 3 31
The authors' statement pertaining to UVC having "less penetration" and being "less 