Chikungunya in Réunion. Bulletin dated May 21, 2025.

Key Points

  • After five weeks of intense epidemic activity peaking in Week 16, all indicators have been steadily declining since Week 17, confirming that Réunion is in a phase of epidemic decline.

  • However, the epidemic level remains high on the island.

  • Import pressure from mainland France remains high, with no locally transmitted cases identified to date.

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