Key Points

• In 2025: a record number of imported chikungunya cases, linked to the outbreak in the Indian Ocean. Imported cases were also returning from Asia, Cuba, and sub-Saharan Africa.
  • 257 imported cases of dengue
  • 211 imported cases of chikungunya
  • 1 imported case of Zika
• Two locally transmitted cases of chikungunya detected in Île-de-France (Paris 11th arrondissement and Saint-Maur-des-Fossés (94)).