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 PointsAt the national level, the number of deaths from all causes reported by INSEE remained within the usual range of fluctuation during weeks S31-2026 and S32-2026 (July 27 through...

Key PointsIn Week 33 (August 10–16, 2026), the number of emergency department visits and hospitalizations following such visits remained stable across all age groups compared to the...

Key PointsIn Week 33 (August 10–16, 2026), the number of cases handled by SOS Médecins was down among children under 2 years old (-8%, or -311 cases) and remained stable in other age...

Key PointsDuring this period, 78 departments were affected by this heat wave, representing 78.5% of the population of mainland France. Although the intensity of the heat wave in July was...

Key PointsA new heat wave has been affecting mainland France since July 29. The monitoring data presented in this bulletin covers the period from August 11 to 17. During this period, 91%...

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...