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

The disease

Legionellosis is a lung infection caused by the Legionella bacterium. It is a notifiable disease monitored by Santé publique France.

Legionellosis, a bacterial infection

Legionellosis is a lung infection caused by a bacterium called Legionella.

This bacterium was discovered in 1976 following an outbreak of pneumonia that affected several participants at a convention of American Legion veterans gathered at a hotel in...

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What We Do

Legionellosis is a major public health concern. It is monitored epidemiologically by Santé publique France.

Given the increase in the number of Legionnaires’ disease cases in recent years and the need for prompt and appropriate care, this disease represents a significant public health challenge.

Santé publique France is tasked with conducting epidemiological surveillance of this disease, supporting...

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Data

View data on the epidemiological situation regarding Legionnaires' disease in France on Santé publique France.

The Legionnaires' disease surveillance system makes it possible to:

  • at the local level, to identify risk exposures, investigate other cases linked to these exposures, and implement appropriate environmental control measures;

  • at the national level, to determine the frequency, trends, and main...

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Publications

Here you will find the latest scientific publications related to the studies and research conducted by Santé publique France.

2 publications