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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.
Legionella pneumophila is the most common cause, but sometimes other species of Legionella bacteria also cause Legionnaires' disease. [ 15 ] [ 16 ] The terms "Philadelphia fever" and "Legion fever" appear to have been used at the time of the outbreak and for shortly thereafter, [ 17 ] although at least one 2008 source which covers disease in a ...
A picture taken on May 17, 2019 shows an antigen test for quick detection and a culture of the Legionella pneumophila bacteria at the UZ Gent hospital. Since May 3rd at least 18 people were ...
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 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]
Legionnaires Disease is an acute type of pneumonia that is caused by the inhalation of aerosolized water containing the Legionella bacteria. [3] Forty-two Legionella species have been classified to date, and these bacteria can grow in areas where there is warm water, such as cooling towers. [4] [5] Legionella pneumophila bacteria
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In late September, 2005, 127 residents of a nursing home became ill with Legionella pneumophila. Within a week, twenty-one of the residents had died. Culture results at first were negative. The source of the outbreak was traced to the air-conditioning cooling towers on the nursing home's roof. [22] 2005: Fredrikstad, Norway: Factory: Air ...