Key PointsSeveral Outbreaks of Local Transmission DetectedAs of August 18, 2026, in Nouvelle-Aquitaine, three episodes of locally acquired chikungunya transmission were identified in...

Key Points Domestic cases from May 1 to August 17, 2026 <li data-list-item-id="ef835ba7215b4292ded737b6f657fb7e3">8 cases of chikungunya <li data-list-item-id="ea96f148ba01e1f78671e6ff4f9ef5d51">3 cases of dengue <li data-list-item-id="e2c6f25b4cb456e43abd09ba42424cd5f">0 cases of Zika   <li data-list-item-id="e258ffb59de20d9f7716061adf9775830">6 cases of West Nile virus infection

Key PointsWest Nile Virus InfectionsHigh-Risk Period for West Nile Virus InfectionA total of 9 human cases have been identified in the Provence-Alpes-Côte d’Azur region (+5 cases...

Key Points Chikungunya, Dengue, and ZikaIndigenous CasesAs of August 17, 2026, six outbreaks of locally transmitted cases have been identified in mainland France:3 chikungunya outbreaks...

Key PointsDengueDengue activity is low throughout the country. One case was confirmed last week (Week 32). Since the beginning of the year, 12 cases of dengue have been...

Key Points Two Outbreaks of Local Transmission DetectedAs of August 10, 2026, in Nouvelle-Aquitaine, two outbreaks of local transmission of chikungunya have been identified in...

Key Points Imported cases from May 1 to August 10, 202613 cases of chikungunya29 cases of dengue2 cases of Zika  Locally acquired cases from May 1 to August 10, 20268 cases of...

Key Points Chikungunya, Dengue, and ZikaIndigenous CasesAs of August 10, 2026, five outbreaks of locally transmitted vector-borne disease have been identified in mainland France:3...

Key PointsDengueDengue activity is low throughout the country. Since the beginning of the year, 11 cases of dengue have been laboratory-confirmed, with the most recent case reported in...

Key Points Imported Cases in Occitanie11 cases of chikungunya26 cases of dengue2 cases of Zika  Locally acquired cases in Occitanie5 cases of chikungunya2 cases of dengue0 cases of Zika...