Removal of SARS-CoV-2 bioaerosols using ultraviolet air filtration

Author:

Barnewall Roy E.,Bischoff Werner E.ORCID

Abstract

AbstractEngineering controls play an important role in reducing the spread of severe acute respiratory coronavirus virus 2 (SARS-CoV-2).1 Established technologies such as air filtration, and novel approaches such as ultraviolet (UV)-C light or plasma air ionization, have the potential to support the fight against the coronavirus disease 2019 (COVID-19) pandemic.2 We tested the efficacy of an air purification system (APS) combining UV-C light and high-efficiency particulate air (HEPA) filtration in a controlled environment using SARS-CoV-2 as test organism. The APS successfully removed the virus from the air using UV-C light by itself and in combination with HEPA air filtration.

Publisher

Cambridge University Press (CUP)

Subject

Infectious Diseases,Microbiology (medical),Epidemiology

Reference10 articles.

1. A systematic review of surface contamination, stability, and disinfection data on SARS-CoV-2 (through July 10, 2020);Bedrosian;Environ Sci Technol,2020

2. Characterization and Deposition of Respirable Large- and Small-Particle Bioaerosols

3. How can airborne transmission of COVID-19 indoors be minimised?

4. 1. Guidance on preparing workplaces for COVID-19. Occupational Safety and Health Administration website. https://www.osha.gov/Publications/OSHA3990.pdf. Published 2020. Accessed November 18, 2020.

5. Far-UVC light (222 nm) efficiently and safely inactivates airborne human coronaviruses

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