Key Points From June 1 to 3, 2025, 36 imported cases of dengue and 58 imported cases of chikungunya were identified. To limit the risk of local transmission, 102 entomological surveys...

Key Points Local cases No indigenous cases have been identified in mainland France. Imported cases From May 1, when enhanced surveillance began, through June 3, 2025, the following were...

Key points Reunion has been in the epidemic decline phase since Week 17. However, the virus continues to circulate actively throughout the island. Although declining, the risk of...

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 Local cases No indigenous cases have been identified in mainland France. Imported cases From May 1, the start of enhanced surveillance, through May 27, 2025, the following...

Key points Reunion has been in the epidemic decline phase since Week 17. However, the virus continues to circulate and remains active throughout the island. Although declining, the...

Key Points A total of 326 confirmed cases of chikungunya were recorded between S10 and S20-2025. Chikungunya is circulating across nearly the entire territory of Mayotte, with a higher...

Key Points In Occitanie, from May 1 to 20, 2025, 20 imported cases of dengue and 36 imported cases of chikungunya were identified. To limit the risk of local transmission, 50...

Key Points Domestic cases No domestic cases have been identified in mainland France. Imported cases From May 1, the start of enhanced surveillance, through May 20, 2025, the following...

Key Points After five weeks of intense epidemic activity peaking in Week 16, all indicators have been steadily declining since Week 17, confirming that Réunion is in a phase of...