Legionellales are an order of Proteobacteria. Like all Proteobacteria, they are Gram-negative. They comprise two families, typified by  and Legionella , both of which include notable pathogens. For example, Coxiella Q fever is caused by and Coxiella burnetii causes Legionella pneumophila Legionnaires' disease   and  Pontiac fever.   
References [ edit ]
^ George M. Garrity: . 2. Auflage. Springer, New York, 2005, Volume 2: Bergey's Manual of Systematic Bacteriology The Proteobacteria, Part B: The Gammaproteobacteria
^ Fraser, D.W., Tsai, T,. Orenstein, W., et al. (1977). Legionnaires' disease: description of an epidemic of pneumonia. New England Journal of Medicine. 297:1189–1197.
^ "Legionella Risk Assessment". Archived from the original on June 14, 2017 . Retrieved . June 14, 2017
^ McDade, JE., Shepard, C.C., Fraser, D.W., et al., (1977) Legionnaires' Disease — Isolation of a Bacterium and Demonstration of Its Role in Other Respiratory Disease. New England Journal of Medicine. 297: 1197–1203.
^ "General Information- Pontiac Fever". HPA . Retrieved . 2013-04-07
^ "Pontiac Fever Due to Legionella micdadei from a Whirlpool Spa: Possible Role of Bacterial Endotoxin". Jid.oxfordjournals.org . Retrieved . 2013-04-07
External links [ edit ]
Legionellales LPSN List of Prokaryotic names with Standing in Nomenclature