Chikungunya, Dengue, and Zika in mainland France. Enhanced Surveillance Bulletin of June 4, 2025.

Key Points

Local cases

  • No indigenous cases have been identified in mainland France.

Imported cases

From May 1, when enhanced surveillance began, through June 3, 2025, the following were identified:

  • 283 imported cases of dengue

  • 424 imported cases of chikungunya

  • 2 imported cases of Zika

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