Legionella Illustration

Key points

  • Legionella bacteria are found naturally in freshwater environments, like lakes and streams.
  • The bacteria can become a health concern when they grow and spread in human-made building water systems.
  • Legionella bacteria can cause Legionnaires' disease and Pontiac fever.
Illustration of Legionella pneumophila
Format: JPG
Dimensions: 1500 x 1941 pixels
Language: English (US)
Size: 292 KB
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Illustration of Legionella pneumophila
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Content Source:
National Center for Immunization and Respiratory Diseases; National Center for Environmental Health