Legionellosis

Legionellosis is caused by the Legionella bacterium. It begins with flu-like symptoms accompanied by fever, which progress to pneumonia. Prompt and appropriate treatment leads to a favorable outcome.

Our missions

  • Monitoring the epidemiological trends of Legionnaires' disease

  • Supporting the mandatory reporting of Legionnaires' disease

  • Informing healthcare professionals and providing epidemiological data on Legionnaires' disease

In brief

Videos, infographics, key statistics, expert interviews… Find the latest news and key information on Legionnaires’ disease here

1 800

Average number of reported cases of Legionnaires' disease in France each year

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