A simple HEPA filtering facepiece - 26/08/21
Doi : 10.1016/j.ajic.2021.04.085
Phillip W. Clapp, PhD a, Conor A. Ruzycki, MS b, James M. Samet, PhD, MPH c, Kirby L. Zeman, PhD d, Jon Berntsen, PhD e, Emily Sickbert-Bennett, PHD, MS f, David J. Weber, MD, MPH f, Warren H. Finlay, PhD b, Andrew R. Martin, PhD b, William D. Bennett, PhD g, Kenneth H. Wilson, MD h, ⁎ 
a Department of Pediatrics, University of North Carolina at Chapel Hill, NC
b Department of Mechanical Engineering, University of Alberta, Edmonton, Canada
c Center for Public Health and Environmental Assessment, U.S. Environmental Protection Agency, Research Triangle Park, NC
d Center for Public Health and Environmental Assessment, University of North Carolina at Chapel Hill, NC
e TRC, Raleigh, NC
f Infection Prevention Department, UNC Health Care, Chapel Hill, NC
g Department of Medicine, University of North Carolina at Chapel Hill, NC
h Department of Medicine, Duke University Medical Center, Durham, NC
⁎Address correspondence to Kenneth H. Wilson, MD, Division of Infectious Diseases, Box 102359, Duke University Medical Center, Durham, NC 27710.Division of Infectious DiseasesBox 102359, Duke University Medical CenterDurhamNC27710
Graphical Abstract |
Highlights |
• | The public is sometimes exposed to damaging small particle aerosols including SARS-Cov-2. |
• | During shortages, facepieces available to the public do not protect against small particle aerosols. |
• | We report designing homemade masks from home air purifier “true HEPA” filters. |
• | These homemade masks function similar to an N95. |
Résumé |
Shortages of efficient filtering facepiece respirators leave the public vulnerable to transmission of infectious diseases in small particle aerosols. This study demonstrates that a high-filtration-efficiency facepiece capable of filtering out >95% of 0.05μm particles while being worn can be simply produced with available materials.
Le texte complet de cet article est disponible en PDF.Key Words : Aerosols, Communicable disease transmission, Airborne particulate matter, Personal protective equipment, COVID-19, mask, N95 respirator
Plan
| Conflict of interest: No author has a conflict of interest to report. |
© 2021
Association for Professionals in Infection Control and Epidemiology, Inc.. Publié par Elsevier Masson SAS. Tous droits réservés.
Vol 49 - N° 9
P. 1206-1209 - septembre 2021 Retour au numéro
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