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UV-C Lethal Doses for Sars-Cov-2

Ozcon Environmental Solutions News and PR from Ozcon Environmental Solutions - Published 14 October 2020 The rapid and continuous spread of SARS-CoV-2, responsible for COVID-19, has been challenging global health systems and many strategies have been proposed to face the COVID-19 pandemic crisis [1].
In this scenario, ultraviolet lamps emitting ultraviolet C (UV-C) germicidal radiation (peak emission at 254 nm) are in the spotlight to provide efficient and sustainable disinfection of air, liquids and surfaces (e.g., plastics, fabrics, metals, etc). However, UV light with wavelengths greater than 180 nm can cause health adverse effects as eye damage, skin cancer and ageing, and UV-C should be not used in inhabited environments. Herein, we established the inactivation kinetics and reported the UV-C lethal doses (LD) for SARS-CoV-2.

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within less than a second, UV-C irradiation was able to inactivate more than 99 % of SARS-CoV-2 viral particles

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