Fast facts: Legionnaire's Disease

Fast Facts: Legionnaire's Disease:- Legionnaires' disease is a type of pneumonia. It was named after an outbreak of severe pneumonia that affected a meeting of the American Legion in 1976.

Fast Facts: Legionnaire's Disease:

- Legionnaires' disease is a type of pneumonia. It was named after an outbreak of severe pneumonia that affected a meeting of the American Legion in 1976.

- It is actually one of a group of similar diseases collectively known as legionellosis. The other forms, including Pontiac Fever and Lochgoilhead Fever, have similar symptoms but are not as serious as Legionnaires' disease.

- Legionnaires' disease occurs more frequently in men than women and usually affects middle-aged or elderly people.


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- About half the cases of Legionnaires' disease are caught abroad.

- Certain conditions increase the risk from legionella, including a suitable temperature for growth(20 to 45C), a source of nutrients for the organism, a way of creating and spreading breathable droplets, such as the aerosol created by a cooling tower or spa pool.

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- Most people exposed to legionella do not become ill, and Legionnaires' disease does not spread from person to person.

- Outbreaks of the illness occur from exposure to legionella growing in purpose-built systems where the water is maintained at a temperature high enough to encourage growth, such as cooling towers, evaporative condensers, spa pools, and hot water systems.

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