1. Legionella and plumbing systems

3. Legionnaires' disease The first recognized cases of Legionnaires' disease occurred in 1976 in Philadelphia, Pennsylvania. Among attendees of a Legionnaires' convention held at the Bellevue-Stratford Hotel, 221 attendees contracted the disease and 34 of them died

4. Recent outbreaks Wesley Hospital Hervey Bay Hospital Camira MOP

5. An elderly woman has contracted Legionnaires disease after her solar hot water system circulating pump failed

7. Transmitted by inhalation of contaminated materials Flu like symptoms Difficult to distinguish from pneumonia Hot-water systems Cooling towers Potting mix, reservoirs, fountains, spas Symptoms

8. Under 20°C low Legionella risk 33- 42°C ideal reproduction range 42-50°C reproduction not possible 50-60°C Legionella are killed 60-70°C Killed within seconds