These bacteria spread through water systems and devices.
Information about a serious pneumonia (lung infection) caused by Legionella.
Information on a less severe infection caused by Legionella.
Healthcare providers
Clinical Overview of Legionnaires' Disease
Information about Legionnaires' disease including cause, transmission, and risk factors.
Clinical Features of Legionnaires' Disease and Pontiac Fever
Symptoms and complications information for Legionnaires' disease and Pontiac fever.
Clinical Guidance for Legionella Infections
Guidance on testing indications, collecting an exposure history, preferred tests, and treatment.
Public health professionals
Laboratory Testing for Legionella
Culture and Legionella urinary antigen testing are recommended for Legionnaires' disease diagnosis...
Legionellosis Surveillance and Trends
Legionnaires' disease surveillance, including reporting trends.