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The Inactivation of SARS-CoV-2 in Critical Hospital Settings by Means of Ultraviolet C Lamps: Examples of Their Use and Some Practical Advice

See BackgroundUltraViolet-C (UV-C) lamps may be used to supplement current hospital cleaning and disinfection of surfaces contaminated by SARS-CoV-2. Our aim is to provide some practical indications for the correct use of UV-C lamps. MethodsWe studied three UV-C lamps, measuring their spatial irradiance and emission over time. We quantify the error that is committed by calculating the irradiation time based exclusively on the technical data of the lamps or by making direct irradiance measurements. Finally, we tested specific dosimeters for UV-C. ResultsOur results show that the spatial emission of UV-C lamps is strongly dependent on the power of…
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