Legionella Pneumophila

Legionella Pneumophila Colorized Tem, Approximately X 129 500, Cultured In An Embryonated Hen’S Egg. Legionella Pneumophila Is A Gram Negative Bacillus, Strict Aerobic. This Is An Ubiquitous Aquatic And Facultative Intracellular Bacterium, Responsible For Legionaire Disease Legionellosis And Pontiac Fever. Legionella Pneumophila > Legionella > Legionellaceae > Legionellales > Proteobacteria > Bacterium. This Thin Section Transmission Electron Micrograph Tem Depicted A Gram Negative Legionella Pneumophila Bacterium, Which Was Cultured In An Embryonated Hen’S Egg; Magnified Approximately 119,500X. At Least 46 Legionella Spp. , And 70 Serogroups Have Been Identified. L. Pneumophila, An Ubiquitous Aquatic Bacterial Organism, Which Thrives In Warm Environments, Primarily At Temperatures Ranging From 32° 45°C, And Causes Over 90% Of Legionnaires' Disease, Ld, In The United States. Legionnaires' Disease, Ld, Is The More Severe Form Of Legionellosis And Is Characterized By Pneumonia, Commencing 2 10 Days After Exposure. Pontiac Fever Is An Acute Onset, Flu Like, Non Pneumonic Illness, Occuring Within A Few Hours To Two Days Of Exposure. (Photo By BSIP/UIG Via Getty Images)