legionnaires' disease

noun Pathology.

a type of acute pneumonia caused by Legionella pneumophila bacterium and characterized by fever, chest pain, cough, and muscle aches.

Origin of legionnaires' disease

so called from its first reported occurrence, at an American Legion convention in Philadelphia in 1976
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medical definitions for legionnaires' disease

Legionnaires' disease
[ lē′jə-nârz ]


An acute, sometimes fatal respiratory disease caused by Legionella pneumophila and characterized by severe pneumonia, headache, and a dry cough.legionellosis
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.