Evaluation of Ultraviolet-C Light for Rapid Decontamination of Airport Security Bins in the Era of SARS-CoV-2

Pathogens & Immunity
Jennifer L CadnumCurtis J Donskey

Abstract

Contaminated surfaces are a potential source for spread of respiratory viruses including SARS-CoV-2. Ultraviolet-C (UV-C) light is effective against RNA and DNA viruses and could be useful for decontamination of high-touch fomites that are shared by multiple users. A modification of the American Society for Testing and Materials standard quantitative carrier disk test method (ASTM E-2197-11) was used to examine the effectiveness of UV-C light for rapid decontamination of plastic airport security bins inoculated at 3 sites with methicillin-resistant Staphylococcus aureus (MRSA) and bacteriophages MS2, PhiX174, and Phi6, an enveloped RNA virus used as a surrogate for coronaviruses. Reductions of 3 log10 on inoculated plastic bins were considered effective for decontamination. UV-C light administered as 10-, 20-, or 30-second cycles in proximity to a plastic bin reduced contamination on each of the test sites, including vertical and horizontal surfaces. The 30-second cycle met criteria for decontamination of all 3 test sites for all the test organisms except bacteriophage MS2 which was reduced by greater than 2 log10 PFU at each site. UV-C light is an attractive technology for rapid decontamination of airport security bins. Furthe...Continue Reading

Citations

Nov 1, 2020·Photochemistry and Photobiology·Petra VatterMartin Hessling
Dec 23, 2020·Journal of Korean Medical Science·Yelin KimEun Suk Park
Feb 20, 2021·The Science of the Total Environment·Erick R BandalaAshantha Goonetilleke
Nov 24, 2020·Environmental Science & Technology·Noah BedrosianDaniele Lantagne
Apr 17, 2021·Infection Control and Hospital Epidemiology : the Official Journal of the Society of Hospital Epidemiologists of America·Jennifer L CadnumCurtis J Donskey
May 21, 2021·Infection Control and Hospital Epidemiology : the Official Journal of the Society of Hospital Epidemiologists of America·Basya S PearlmutterCurtis J Donskey

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