Alliance for Pandemic Preparedness

June 5, 2020

Correlation Between N95 Extended Use and Reuse and Fit Failure in an Emergency Department

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  • Over one third of healthcare workers who had been fit tested for an N95 respirator in the last 1-2 years failed repeat fit testing. Increased number of shifts worn, increased donnings/doffings, and increased hours worn were all associated with a greater likelihood of fit test failure. 

Degesys et al. (June 4, 2020). Correlation Between N95 Extended Use and Reuse and Fit Failure in an Emergency Department. JAMA. https://doi.org/10.1001/jama.2020.9843