From May 1 to November 30 each year, Santé publique France coordinates enhanced seasonal surveillance for chikungunya, dengue, Zika, and West Nile virus.

Key Points Chikungunya, Dengue, and Zika Indigenous cases As of November 3, 2025, 92 outbreaks of locally transmitted chikungunya and dengue and a total of 818 cases have been...

Key Points Chikungunya, dengue, Zika 9 episodes of local transmission detected Seven outbreaks of local transmission of chikungunya have been identified in the region as of November 4,...

Key Points Chikungunya, Dengue, and Zika Indigenous cases As of October 27, 2025, 91 outbreaks of locally transmitted chikungunya and dengue and a total of 810 cases have been...

Key Points Chikungunya, dengue, Zika 8 episodes of local transmission detected Six episodes of local transmission of chikungunya identified in the region as of October 21, 2025,...

Key Points Chikungunya, Dengue, and Zika Indigenous cases: As of October 20, 2025, 91 outbreaks of locally transmitted chikungunya and dengue and a total of 795 cases have been...

Key Points Chikungunya, Dengue, and Zika Indigenous cases: As of October 13, 2025, 90 outbreaks of locally transmitted chikungunya and dengue and a total of 770 cases have been...

Key Points Chikungunya, dengue, Zika 8 episodes of local transmission detected: Six outbreaks of local transmission of chikungunya identified in the region as of October 7, 2025,...

Key Points Chikungunya, Dengue, and Zika Indigenous cases: As of October 6, 2025, 87 outbreaks of locally transmitted chikungunya and dengue and a total of 737 cases have been...

Key Points Chikungunya, Dengue, and Zika Indigenous cases: As of September 29, 2025, 80 outbreaks of locally transmitted chikungunya and dengue and a total of 669 cases have been...