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Legionnaires' disease is a form of atypical pneumonia caused by any species of Legionella bacteria, [3] quite often Legionella pneumophila.Signs and symptoms include cough, shortness of breath, high fever, muscle pains, and headaches. [2]
Legionella bacteria, is commonly found in water and can cause a serious type of lung infection - Here’s everything we know about the disease
Legionella is a genus of gram-negative bacteria that can be seen using a silver stain or grown in a special media that contains cysteine, an amino acid.It is known to cause legionellosis [3] (all illnesses caused by Legionella) including a pneumonia-type illness called Legionnaires' disease and a mild flu-like illness called Pontiac fever. [3]
Legionella pneumophila, the primary causative agent for Legionnaire's disease, is an aerobic, pleomorphic, flagellated, non-spore-forming, Gram-negative bacterium. [1] [2] L. pneumophila is a intracellular parasite that preferentially infects soil amoebae and freshwater protozoa for replication.
The symptoms of the disease usually show up within two to 10 days of bacteria inhalation, and include headache, muscle pain, chills, and a fever of 104 degrees Fahrenheit or higher.
Early symptoms include fever, chills, headache, shortness of breath, sometimes dry cough, and muscle aches and pain. [12] Most people who breathe in the bacteria do not become ill. The risk of disease is increased with increased age and smoking, and in people with weakened immune systems. [12]
A Legionnaires' disease outbreak in a New Hampshire town that has sickened five people has ... (Photo by NICOLAS MAETERLINCK/BELGA/AFP via Getty Images) ... Symptoms can appear anywhere from 2 to ...
The 1976 Legionnaires' disease outbreak, occurring in the late summer in Philadelphia, Pennsylvania, United States at an annual American Legion convention, was the first occasion in which a cluster of a particular type of pneumonia cases were determined to be caused by the Legionella pneumophila bacteria. Previous outbreaks were retroactively ...