
08/06/2025
Legionella pneumophila (TEM)
Legionella pneumophila, the causative agent of legionnaires' disease. Legionella pneumophila was first identified as an agent of disease after after a mysterious outbreak of pneumonia caused 29 deaths at an American Legion convention in 1976. The bacteria was found living in watertanks, showerheads and air-conditioning systems. The disease, also called legionellosis, often causes fatal pneumonic lung damage in the elderly and weak.
Image 1: Color enhanced TEM of Legionnaires' disease bacteria (Legionella pneumophila) on bacteriologic medium with vacuoles present.
Image ID at sciencesource.com: 1515465
Image 2: Color enhanced transmission electron micrograph (TEM) image of Legionella pneumophila. Magnification: 10,000x when printed at 10 centimeters wide.
Image ID at sciencesource.com: 1958406