Temperature 77C - 108F Stagnation Scale and sediments Protozoa - PowerPoint PPT Presentation

Apr 17, 2023 •142 likes •192 views

Temperature 77C - 108F Stagnation Scale and sediments Protozoa Lack of a residual disinfectant Source: Center of Disease Control Aerosolization Amplication Showerheads Temperature Cooling Towers Stagnation

 Temperature 77°C - 108°F  Stagnation  Scale and sediments  Protozoa  Lack of a residual disinfectant Source: Center of Disease Control
Aerosolization Amplication • Showerheads • Temperature • Cooling Towers • Stagnation • Decorative Fountains • Scale & Sediment Transmission Supply Water • Whirlpool Spas • Protozoa • Biofilm • Absence of Disinfectant Source: Center of Disease Control
National Incidence of Legionellosis 2000-2014 1.6 1.5 1.4 1.4 1.2 1.2 1.08 1 1 1 0.99 0.91 0.86 0.8 0.75 0.74 0.7 0.6 0.45 0.41 0.4 0.4 0.2 0 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Incidence (case/100,000 pop.) Source: Center of Disease Control
Sources of Outbreak and Cases (%) 60 50 40 30 20 10 0 Outbreaks Total Confirmed and Suspected Cases Potable Water Cooling Tower Hot Tub Decorative Fountain Industrial Water Unknown Source: Center of Disease Control

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