Erratum

An error occurred in a 1 June 2015 article [Demirjian A, Lucas CE, Garrison LE, et al. The Importance of Clinical Surveillance in Detecting Legionnaires' Disease Outbreaks: A Large Outbreak in a Hospital with a Legionella Disinfection System—Pennsylvania, 2011–2012. Clin Infect Dis 2015; 60:1596–602]. On the fourth page, under the Environmental Results section, the sentence stating "In addition, testing at the CDC's Legionella laboratory revealed that a 0.4/0.04 ppm copper-silver solution, although above the manufacturer's recommended target concentration for Legionella eradication, failed to reduce viability of any strain within 24 hours" is incorrect.

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