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. 2020 Aug 3:1–4. doi: 10.1017/ice.2020.399

Table 2.

Impact of Pulsed-Xenon Ultraviolet Light on SARS-CoV-2 Inoculated Onto Hard Surfaces

Test Surface UV-C Exposure Time, min Viral Titer [PFU/mL (Log10)] per Carrier Average % Reduction Log10 Reduction Relative to Respective Controls
1 2 3
Slide 0 6.04 6.28 6.28 6.20 N/A N/A
Slide 1 3 2.45 2.56 2.67 99.97 3.53
Slide 2 2.38 <1.3 <1.3 <1.66 >99.997 >4.54
Slide 5 <1.3 2.15 2.8 <2.08 >99.992 >4.12

Note. UV-C, ultraviolet C light; PFU, plaque-forming units; N/A, not applicable.