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Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Am+J+Infect+Control 2020 ; 48 (12): 1543-1545 Nephropedia Template TP
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Novel manufacturing of simple masks in response to international shortages: Bacterial and particulate filtration efficiency testing #MMPMID32682015
Bayersdorfer J; Giboney S; Martin R; Moore A; Bartles R
Am J Infect Control 2020[Dec]; 48 (12): 1543-1545 PMID32682015show ga
Many healthcare systems have been forced to outsource simple mask production due to international shortages caused by the COVID-19 pandemic. Providence created simple masks using surgical wrap and submitted samples to an environmental lab for bacterial filtration efficiency testing. Bacterial filtration efficiency rates ranged from 83.0% to 98.1% depending on specific material and ply, and particular filtration efficiency rates ranged from 92.3% to 97.7%. Based on mask configuration, specific surgical wrap selected, and ply, the recommended filtration efficiency for isolation and surgical masks of 95% and 98%, respectively can be achieved. These alternative masks can allow for similar coverage and safety when hospital-grade isolation masks are in short supply.