RT Book, Section A1 Yu, Victor L. A1 Pedro-Botet, M. Luisa A1 Lin, Yusen E. A2 Kasper, Dennis L. A2 Fauci, Anthony S. SR Print(0) ID 1141408275 T1 LEGIONELLA INFECTIONS T2 Harrison's Infectious Diseases, 3e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259835971 LK accessbiomedicalscience.mhmedical.com/content.aspx?aid=1141408275 RD 2024/04/20 AB Legionellosis refers to the two clinical syndromes caused by bacteria of the genus Legionella. Pontiac fever is an acute, febrile, self-limited illness that has been serologically linked to Legionella species, whereas Legionnaires’ disease is the designation for pneumonia caused by these species. Legionnaires’ disease was first recognized in 1976, when an outbreak of pneumonia took place at a Philadelphia hotel during an American Legion convention.