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. 2016 Aug 26;44(12):1692–1694. doi: 10.1016/j.ajic.2016.07.004

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© 2016 Association for Professionals in Infection Control and Epidemiology, Inc. Published by Elsevier Inc.

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Fig 2 — Effect of ultraviolet C light on surface toilet seat and counter bacterial levels. Lower, middle, and upper lines of the box indicate the 25th, 50th, and 75th percentiles, respectively. The upper and lower whiskers represent plus and minus 1.5× interquartile range. Two outliers (2,019 CFU/[10 cm]² and (2,305 CFU/[10 cm]²) are not shown for the seat. CFU, colony forming units; GM, geometric mean; GSD, geometric SD; UV, ultraviolet.