Key Points Viral transmission continues to decline, with viral circulation limited to certain municipalities and no significant impact on healthcare utilization. Cumulative number of...

Key Points Mayotte has remained in the epidemic phase of chikungunya since May 27, 2025; a total of 969 confirmed cases of chikungunya were recorded between weeks 10 and 24 of...

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...

Key Points Local Cases Two unrelated local cases of chikungunya have been identified, one in the Var department and the other in the Hérault department. Investigations and prevention...

Key Points Reunion Island is experiencing a low-intensity outbreak. However, in weeks 22 and 23, cases are still being confirmed in all municipalities on the island. Although...

Key Points Mayotte has remained in the epidemic phase of chikungunya since May 27, 2025, confirming active and widespread viral circulation throughout the territory. A total of 882...

Key Points Reunion Island is experiencing a low-intensity outbreak. However, cases are still being confirmed in all municipalities on the island. Surveillance has shifted back to...

Key Points Local cases No indigenous cases have been identified in mainland France. Imported cases From May 1, when enhanced surveillance began, through June 10, 2025, the following...

Key Points Chikungunya has entered the epidemic phase in Mayotte (Phase 3 of the ORSEC arbovirus plan) since May 27, reflecting intense and widespread transmission of the chikungunya...

Key Points Summary for January 1 through April 30, 2025 High number of imported dengue cases reported at the start of 2025, particularly linked to the ongoing epidemic in...