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Related to Legionnaire disease: cooling tower, pneumonia, legionella, Pontiac fever, Legionellosis


disease caused by infection with Legionella species, such as L. pneumophila.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

Le·gion·naires' dis·ease

an acute infectious disease, caused by Legionella pneumophila, with prodromal influenzalike symptoms and a rapidly rising high fever, followed by severe pneumonia and production of usually nonpurulent sputum, and sometimes mental confusion, hepatic fatty changes, and renal tubular degeneration. It has a high case-fatality rate; acquired from contaminated water, usually by aerosolization rather than being transmitted from person-to-person.
Synonym(s): legionellosis
[American Legion convention, in Philadelphia in 1976, at which many delegates were so affected]
Farlex Partner Medical Dictionary © Farlex 2012


A disease caused by infection with a Legionella bacterium.
Mentioned in: Legionnaires' Disease
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.