Key Points

• From May 1 to November 30 each year, Santé publique France coordinates, in conjunction with the relevant Regional Health Agencies (ARS), enhanced seasonal surveillance of chikungunya, dengue, and Zika in mainland France.

• In Occitanie, from May 1 to July 23, 2024, 84 imported cases of dengue and 1 imported case of chikungunya were identified. A locally acquired case of dengue was also identified in the Hérault department. This is the first locally acquired case in mainland France this season.