Editor's Note
This study from Stanford University tests five methods for disinfecting N95 masks and finds that heating them preserves their filtration efficiency for 50 cycles of disinfection.
In the study, instead of analyzing N95 masks, which were needed by healthcare workers, the researchers examined pieces of the fabric used to make the masks.
The researchers found that:
Also, the researchers say, frequent donning and removing of N95 masks could affect fit, which also affects performance.
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