Selected article for: "inward efficiency and outward efficiency"
Author: Steffen E. Eikenberry; Marina Mancuso; Enahoro Iboi; Tin Phan; Keenan Eikenberry; Yang Kuang; Eric Kostelich; Abba B. Gumel
Title: To mask or not to mask: Modeling the potential for face mask use by the general public to curtail the COVID-19 pandemic
  • Document date: 2020_4_11
    • ID: 28utunid_28
    Snippet: We therefore estimate that inward mask efficiency could range widely, anywhere from 20-80% for cloth masks, with ≥50% possibly more typical (and higher values are possible for well-made, tightly fitting masks made of optimal materials), 70-90% typical for surgical masks, and >95% typical for properly worn N95 masks. Outward mask efficiency could range from practically zero to over 80% for homemade masks, with 50% perhaps typical, while surgical.....
    Document: We therefore estimate that inward mask efficiency could range widely, anywhere from 20-80% for cloth masks, with ≥50% possibly more typical (and higher values are possible for well-made, tightly fitting masks made of optimal materials), 70-90% typical for surgical masks, and >95% typical for properly worn N95 masks. Outward mask efficiency could range from practically zero to over 80% for homemade masks, with 50% perhaps typical, while surgical masks and N95 masks are likely 50-90% and 70-100% outwardly protective, respectively.

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