Southern France Confirms Chikungunya and Dengue Outbreaks in 2024

According to Regional Health Agencies (ARS), France has reported the highest number of indigenous (local) dengue cases in 2024 since the implementation of enhanced surveillance in 2006.

As of December 24, 2024, the ARS assessment for this 2024 season shows 11 outbreaks of local dengue transmission totaling 83 cases, mainly occurring in Provence-Alpes-Côte d'Azur (Marseille, 1.9 million pop.) and Occitanie.

As of December 17, 2024, 4,694 imported dengue cases had been reported this year, the highest annual number ever. Epidemiological investigations identified imported dengue cases from travelers returning to France from Guyana, Reunion, and Indonesia. 

ARS also reported one Indigenous case of chikungunya for the first time in Ile de France.

Entomological and epidemiological investigations were immediately implemented for each disease outbreak, accompanied by vector control actions.

From a disease prevention perspective, France offers various chikunguna and dengue vaccines.

For travelers departing from the U.S., Valneva SE's IXCHIQ® chikungunya vaccine is offered at numerous travel clinics and pharmacies.