Another man in my place would not have known how to extricate himself, but here I have got out of it and am as jolly as ever again, and all because I am 'a cultivated and educated man of our day. View in context
The bacterium Legionella pneumophila is responsible for most cases of Legionnaires' disease. Outdoors, legionella bacteria survive in soil and water, but rarely cause infections.
The Test Sample. Legionella is a type of bacteria that can cause a serious form of pneumonia called Legionnaires disease. Legionella testing detects the presence of the bacteria to help diagnose the cause of a person's pneumonia.