RT Book, Section A1 Rubin, Lorry G. A2 Rudolph, Colin D. A2 Rudolph, Abraham M. A2 Lister, George E. A2 First, Lewis R. A2 Gershon, Anne A. SR Print(0) ID 7025897 T1 Chapter 264. Legionella Pneumonia T2 Rudolph's Pediatrics, 22e YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-149723-7 LK accesspediatrics.mhmedical.com/content.aspx?aid=7025897 RD 2024/10/06 AB Legionella pneumophila was first recognized as the etiology of an outbreak of pneumonia among attendees at a 1976 American Legion Convention.1,2 Pneumonia caused by Legionella, known as Legionnaires disease or legionellosis, is a common cause of community-acquired pneumonia in adults and is a cause of health care-associated pneumonia and pneumonia in immunocompromised adults and children. L pneumophila may also cause Pontiac fever, an uncommon, short incubation, influenzalike illness that primarily affects adults with symptoms of fever, malaise, myalgia, chills, headache, and pleuritic pain.3-5