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Controversies on the Use of Ultraviolet Rays for Disinfection During the COVID-19 Pandemic

See During the coronavirus disease 2019 (COVID-19) pandemic, the use of ultraviolet (UV)rays to disinfect skin areas, clothes and other objects at the entry/exit points of public spaceshas been widely discussed by stakeholders. While ultraviolet germicidal irradiation (UVGI) hasbeen shown to effectively inactivate coronaviruses, including severe acute respiratory syndromecoronavirus (SARS-CoV)-1 and Middle East respiratory syndrome coronavirus (MERS-CoV),no specific evidence proves that it effectively inactivates the new SARS-CoV-2 virus that causesCOVID-19. Because UV rays damage human tissue, UVGI should be used with caution and notdirectly on human skin. Various guidelines recommend that UVGI should not be used as a…
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