Role of Environmental Surveillance in Determining the Risk of Hospital-Acquired Legionellosis: A National Surveillance Study With Clinical Correlations

This 20 hospital study in 13 states shows environmental monitoring followed by clinical surveillance was successful in uncovering previously unrecognized cases of hospital-acquired Legionella pneumonia. Published in Infection Control and Hospital Epidemiology. Stout et al. July 2007: vol 28  no. 7.