Diphtérie

Diphtheria

Diphtheria is caused by a bacterium that includes several species (Corynebacterium diphtheriae, C. ulcerans, C. pseudotuberculosis), some of which carry a gene responsible for the severity of the disease.

Our missions

  • Monitoring the epidemiological trends of diphtheria

  • Assessing and monitoring vaccination coverage

  • Promote vaccination against diphtheria

The disease

Diphtheria, a bacterial infection that has been eradicated in mainland France

Diphtheria, caused by the bacterium Corynebacterium diphtheriae, is a highly contagious disease transmitted from person to person. Its most serious consequences stem from the toxin it can produce. The bacterium...

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What We Do

Thanks to very high vaccination coverage, diphtheria caused by Corynebacterium diphtheriae has been eradicated in mainland France. However, cases are still reported in Mayotte. In addition, a few cases of C. ulcerans are reported each year in France. This disease poses a public health...

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Data

The diphtheria surveillance system established by Santé publique France makes it possible to study the epidemiological trends of this vaccine-preventable disease as well as vaccination coverage.

Epidemiological data on diphtheria in France

In 2025 in France, 39 cases of tox+ diphtheria occurred...

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Tools

Here you will find the resources (videos, TV spots, radio spots) and prevention materials made available to healthcare professionals and the general public

Publications

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

2 publications