- Described for the first time following the 1976 epidemic;
- Convention of the American Legion;
- Hotel Bellevue in Philadelphia Stratford;
- 221 patients, 147 hospitalized, 34 killed;
- Causal agent: bacteria (Legionella pneumophila);
- Source: ventilation systems.
- July, 1968. Employees and visitors of Pontiac, Michigan, developed a mild flu, 144 people were affected, a rate representing 95% of total occupants.
- 1998: Soccer World Cup
Paris - 20 cases including 4 deaths (TAR).
- 2000: Pompidou Hospital, France
10 people contracted Legionaire's disease.
Source: domestic hot water.
- 2000: Elementary school closed in Toronto
8 teachers and 4 children infected
Source: Legionella pneumophila bacteria found in toilet.
- 2004: An outbreak in Northern France
86 cases and 18 deaths reported.
Source of infection: a cooling tower in a petrochemical plant. The analysis of the spread patterns showed that those infected lived in a radius of 6-7 km of to the factory.
- 2005: Seven Oaks Home for the Aged, Toronto, ON (home for the elderly)
70 residents, 18 staff members and 9 guests affected by the bacterium Legionella pneumophila, including 17 deaths.
Source of Legionnaire's disease: ventilation systems.
25 000 cases per year (OSHA)
4 000 suspected deaths per year
1 000 reported deaths per year
- Canada (Public Health Agency according to Canada):
Since 1986, mandatory notification of the disease