Legionellosis (Legionella):
Legionnaires' Disease and Pontiac Fever

Legionellosis includes two diseases, Legionnaires’ disease and Pontiac fever, caused by exposure to the Legionella bacteria, Legionella pneumophila.  Legionnaires' disease causes pneumonia and was named after a deadly outbreak of pneumonia in 1976 among people attending a convention of the American Legion. 

Pontiac fever is a mild form of Legionnaires’ disease that causes only flu-like illness.

Updated Tuesday, 02-Apr-2013 08:46:32 CDT