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European Centre for Disease Prevention and Control
Legionnaires’ disease is a multisystem disease which causes pneumonia due to gram-negative bacteria (Legionella spp.) found in freshwater environments around the world. Humans are infected by inhalation of aerosols containing Legionella. The infection can be fatal and outbreaks from a common environmental source can occur. Cases of Legionnaires’ disease are mainly reported in persons in older age groups, especially in males.
Get the latest surveillance data on legionnaires’ disease from EU and EEA countries through the Surveillance Atlas of Infectious Diseases.
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