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Distribution of Legionella species and serogroups isolated by culture in patients with sporadic community-acquired legionellosis: an international collaborative survey.
This international collaborative survey identified culture-confirmed Legionellosis in 508 patients with sporadic community-acquired legionellosis and identified the Legionella species most commonly isolated in Australia and New Zealand.
Controlling Legionella in Hospital Drinking Water: An Evidence-Based Review of Disinfection Methods
- Yusen Eason Lin, J. Stout, V. Yu
- MedicineInfection Control & Hospital Epidemiology
- 19 January 2011
This review evaluates systemic disinfection methods (copper-silver ionization, chlorine dioxide, monochloramine, ultraviolet light, and hyperchlorination), a focal disinfection method (point-of-use filtration), and short-term disinfections methods in outbreak situations (superheat-and-flush with or without hyperchlorinated).
Comparative assessment of chlorine, heat, ozone, and UV light for killing Legionella pneumophila within a model plumbing system
All four methods proved efficacious in eradicating L. pneumophila from a model plumbing system andHigher temperature enhanced the disinfecting efficacy of chlorine, but higher temperature accelerated the decomposition of the chlorine residual such that an additional 120% volume of chlorine was required.
Individual and combined effects of copper and silver ions on inactivation of Legionella pneumophila
Disinfection of water distribution systems for Legionella.
Routine environmental surveillance cultures for Legionella are the critical component for successful long-term disinfection and alert the hospital staff to consider Legionella in hospitalized patients with pneumonia.
LEGIONELLACEAE IN THE HOSPITAL WATER-SUPPLY Epidemiological Link with Disease and Evaluation of a Method for Control of Nosocomial Legionnaires' Disease and Pittsburgh Pneumonia
Comparison of culture methods for monitoring Legionella species in hospital potable water systems and recommendations for standardization of such methods
A standardized protocol with an emphasis on the culturing of swab samples is presented, and one selective medium containing dyes, glycine, vancomycin, and polymyxin B (DGVP) resulted in the greatest quantitative recovery of Legionella pneumophila.
Negative Effect of High pH on Biocidal Efficacy of Copper and Silver Ions in Controlling Legionella pneumophila
Investigating the impact of pH and other water quality parameters, including alkalinity, hardness, and amount of dissolved organic carbon, on the control of Legionella by Cu-Ag ionization suggests that pH may be an important factor in the efficacy of copper-silver ionization in controlling Legionella in water systems.
Simplified Protocol for Pulsed-Field Gel Electrophoresis Analysis of Streptococcus pneumoniae
Modification of reference PFGE protocols for molecular subtyping of Streptococcus pneumoniae resulted in a substantial reduction in the time required to perform PFGE for S. pneumoniae.
Ecology of Legionella pneumophila within water distribution systems
The reservoir for hospital-acquired Legionnaires disease has been shown to be the potable water distribution system, and the influence of the natural microbial population and sediment found in water systems as growth-promoting factors for Legionella pneumophila is investigated.