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All about Legionnaires' disease causes of Legionnaires' disease Legionnaires' disease transmission symptoms of Legionnaires' disease diagnosis of Legionnaires' disease treatment for Legionnaires' disease prevention of Legionnaires' disease

What is Legionnaires' disease?

Legionnaire's disease is an acute respiratory infection caused by the bacterium Legionella pneumophila, which can cause a broad spectrum of disease from mild cough and fever to a serious pneumonia. Legionnaires' disease acquired its name in 1976 1976 is a leap year starting on Thursday (link will take you to calendar).

Legionnaires' disease is a type of pneumonia that is caused by Legionella, a bacterium found primarily in warm water environments. Both the disease and the bacterium were discovered following an outbreak traced to a 1976 American Legion convention in Philadelphia. Pontiac fever, a flu-like illness, is also caused by Legionella organisms (legionellae), but is not as serious as Legionnaires' disease. Most people who get Pontiac fever recover within five days, without having to be hospitalized. Exposure to the Legionella bacteria doesn't necessarily lead to infection. According to some studies, an estimated 5-10% of the American population show serologic evidence of exposure, the majority of whom do not develop symptoms of an infection.

People over the age of 50 are more likely to develop Legionnaires' disease, which accounts for one to eight percent of all pneumonias in the United States. The populations at the highest risk are the elderly, smokers, and people whose immune system doesn't function normally. While it is less likely to occur in children, it can occur in newborns undergoing respiratory therapy, children with immune system problems, and children who have had recent operations.

More information on Legionnaires' disease

What is Legionnaires' disease? - Legionnaires' disease is a type of pneumonia that is caused by Legionella, a bacterium found primarily in warm water environments.
What causes Legionnaires' disease? - Legionnaires' disease is caused by inhaling Legionella bacteria from the environment. The bacteria are dispersed in aerosols of contaminated water.
How is Legionnaires' disease transmitted? - Most people contract Legionnaires' disease by inhaling mist that comes from a water source contaminated with Legionella bacteria.
What're the symptoms of Legionnaires' disease? - The early symptoms of legionellosis may be flu-like with muscle aches, headaches, tiredness and a dry cough followed by a fever.
How is Legionnaires' disease diagnosed? - The diagnosis of Legionnaires' disease is the process of identifying a disease by its signs, symptoms and results of various diagnostic procedures.
What's the treatment for Legionnaires' disease? - The goal of treatment for Legionnaires' disease is to eliminate the infection with antibiotics. Treatment is started as soon as Legionnaire's disease is suspected.
How to prevent Legionnaires' disease? - People with compromised immune systems are at high risk for Legionnaires' disease. Vaccinations are being developed for use in high risk individuals.
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