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Legionella

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Legionella /Le·gion·el·la/ (le?jah-nel´ah) a genus of gram-negative, aerobic, rod-shaped bacteria (family Legionellaceae), normal inhabitants of lakes, streams, and moist soil; they have often been isolated from cooling-tower water, evaporative condensers, tap water, shower heads, and treated sewage. L. micda´dei is the causative agent of Pittsburgh pneumonia. L. pneumo´phila is the causative agent of legionnaires' disease.
Le·gion·el·la (lj-nl)
n.
A genus of gram-negative bacilli that includes the species that causes Legionnaires' disease.

Legionella
(lē´jnel´),
n a genus of areobic, motile, non acid-fast, nonencapsulated, gram-negative bacilli that have a nonfermentative metabolism. They are water dwelling, airborne spread, and pathogenic for man.
L. pneumophila,
n the causative agent of Legionnaires' disease.

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To the Editor: The European Working Group for Legionella Infections (EWGLINET) conducts epidemiologic surveillance of Legionnaires' disease cases associated with travel (1) and provides epidemiologic typing markers of Legionella pneumophila among reference laboratories in collaborating countries.
Well known among those pathogens are Legionella pneumophila bacteria, which cause Legionnaires' disease.
Tokyo, Japan, May 19, 2006 - (JCN) - Merck announced on May 18 that it has launched Duopath Legionella, a proprietary test kit for detecting Legionella in water samples.
 
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