Health

FDA Wary of Using UV Lights as Coronavirus Disinfectant

The Food and Drug Administration warned against lamps that use ultraviolet light to kill the novel coronavirus, questioning the lamps’ safety and effectiveness.

While the FDA acknowledges ultraviolet-C (UVC) wavelengths are superior to UVA and UVB light at destroying viruses, it said the UVC lamps still have limitations, CNN reported.

“The effectiveness of UVC lamps in inactivating the SARS-CoV-2 virus is unknown because there is limited published data about the wavelength, dose and duration of UVC radiation required to inactivate the SARS-CoV-2 virus,” the FDA said in a statement.

The administration said the lamps work in limited circumstances and can be ineffective if “covered by dust or soil, embedded in porous surface or on the underside of a surface.”

The FDA also said some lamps generate ozone, which can inflame airways, or contain mercury, a toxic posing extreme danger if the lamp should break.

 

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