Name:	Legionella pneumophila
Morphology:	stain poorly
Gram Stain:	Gram-Negative Bacilli/Coc
Growth Characteristics:	requires cysteine for growth therefor culture on buffered charcoal yeast extract (CYE) media
Test Profile:	senstive to fatty acids
Description:	fastidious. Causes Legionarre's disease: a severe toxic pneumonia. Grows in amoeba in standing water. Intracellular pathogen that grows in macrophages, especially alveolar macrophages.