Key Points Chikungunya, dengue, Zika Seven episodes of local transmission detected: Six episodes of local transmission of chikungunya identified in the region as of September 23, 2025,...

Key Points Chikungunya, Dengue, and Zika Indigenous cases As of September 22, 2025, 76 outbreaks of locally transmitted chikungunya and dengue and a total of 603 cases have been...

Key Points Fourteen episodes of local transmission detected 14 episodes of local transmission of chikungunya identified in the region as of September 18, 2025: one in Landes (1 case),...

Key Points In Occitanie, from May 1 to September 10, 2025, the following were identified: 87 imported cases of dengue, 101 imported cases of chikungunya, and 1 imported case of Zika 52...

Since the spring of 2025, French health authorities have observed a sharp increase in arboviruses in mainland France, marked by an uptick in the circulation of chikungunya and dengue.

Key Points Chikungunya, Dengue, and Zika Indigenous cases As of September 15, 2025, 65 outbreaks of locally transmitted chikungunya and dengue and a total of 505 cases have been...

Key Points Twelve episodes of local transmission detected 11 episodes of local transmission of chikungunya identified in the region as of September 11, 2025: one in Landes (1 case),...

Key Points In the Grand Est region, 45 imported cases of chikungunya, 34 imported cases of dengue, and 2 imported cases of Zika virus infection were identified between May 1 and...

Key Points In Occitanie, from May 1 to September 10, 2025, the following were identified: 86 imported cases of dengue, 99 imported cases of chikungunya, and 1 imported case of Zika 46...

Key Points Chikungunya, dengue, Zika Seven episodes of local transmission detected: Five outbreaks of local transmission of chikungunya identified in the region as of September 9, 2025,...