Legionella bacteria. Coloured scanning electron micrograph (SEM) of Legionella pneumophila bacteria,the cause of Legionnaires' disease. This rod-shaped,Gram-negative bacillus was first identified as a disease agent after a mysterious outbreak of pneumonia killed 29 American Legion members in 1976. It was found living in water tanks,showerheads and air-conditioning systems. The disease is contracted by inhaling airborne water droplets containing the bacteria. It causes fatal pneumonic lung disease in the elderly and unfit | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / AMI Images |
Bildgröße: | 5091 px × 3461 px |
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