Efficiency of Surgical Masks and Respirators against Novel Corona Virus
Received Date: Apr 18, 2020 / Accepted Date: May 02, 2020 / Published Date: May 09, 2020
Abstract
A personal shield against the novel coronavirus pandemic is a major concern for health workers and patients in hospitals. In current review article an evaluation of effectiveness of surgical mask and respirators against novel SARS-CoV-2 is done by critical analysis of surgical masks, respirators and spreading mode of COVID-19 disease. The surgical masks have 32.9% particles filtration capability for standard lab aerosol test. Practically respirators also show less filtration capability from designed value. Hence surgical masks are not intended for protection against viral aerosol. Statistical analysis shows that N95 respirator is only beneficial for low inhalation flow rate (6l min-1). For high inhalation flow rate, and clinical encounters where spreading of COVID-19 disease is significance through eyes, N95 respirators are not efficient.
Keywords: Corona Virus; N95; Respirators; Surgical Masks; Filtration
Citation: Hassan JU (2020) Efficiency of Surgical Masks and Respirators against Novel Corona Virus. J Oral Hyg Health 8: 256. Doi: 10.4172/2332-0702.1000256
Copyright: © 2020 Hassan JU. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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