Ihalation: The bacterium Legionella Pneumophila causes most cases of Legionnaire's Disease & is spread when microscopic water drops are inhaled.
Answered 7/22/2014
3.9k views
Water: Legionella lives in water and is amplified in man made water systems where water is heated and potentially stagnant. Inhalation of aerosols of this water and or aspiration of water into the lungs can cause the disease. Humidification systems, showers, hot tubs, etc have been implicated. Home systems seem to have low risk.
Answered 8/18/2014
3.8k views
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