18-22: Strategies for Reducing Uncertainty in Legionella Analysis

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The accuracy and efficacy of Legionella testing is affected by various factors that can increase measurement uncertainty. Such factors include interference from non-Legionella orga nisms, subjective interpretation of test results, and differential performance of agar media, among others. Examples of these effects will be discussed in relation to strategies for minimizing uncertainty. Legiolert, a new culture-based method for detection of Legionella pneumophila, provides an alternate approach to reducing measurement uncertainty. A comparison of Legiolert with conventional culture methods will be presented with a specific focus on the challenges associated with testing nonpotable water from cooling towers and related sources. Show more