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Water Cultures Are More Sensitive Than Swab Cultures for the Detection of Environmental Legionella
Brooke K Decker1, Patricia L Harris2, Diana L Toy2
11Infectious Diseases Section,Veterans Affairs Pittsburgh Healthcare System,Pittsburgh,Pennsylvania.
Abstract:
Water cultures were significantly more sensitive than concurrently collected swab cultures (n=2,147 each) in detecting Legionella pneumophila within a Veterans Affairs healthcare system. Sensitivity for water versus swab cultures was 90% versus 30% overall, 83% versus 48% during a nosocomial Legionnaires' disease outbreak, and 93% versus 22% post outbreak. Infect Control Hosp Epidemiol 2018;39:108-110.
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