Key Points Chikungunya, dengue, Zika Seven episodes of local transmission detected: Five outbreaks of local transmission of chikungunya identified in the region as of September 9, 2025,...

Key Points Since January 1, 2025, 828 cases of measles have occurred and been reported (an increase of 23 new cases in August). The surge in cases observed since January has been...

Key points Chikungunya, dengue 182 imported cases of dengue 169 imported cases of chikungunya 1 imported case of chikungunya in a Paris resident West Nile virus infections Three...

Key Points At the national level, the number of deaths from all causes reported by INSEE remains within the usual range of fluctuation across all age groups through S35-2025. At the...

Key Points In Week 36 (September 1–7, 2025), compared with the previous week, the number of emergency department visits increased among children aged 2–14 (+9%, or 4,447 visits) and...

Key Points In the Indian Ocean region, in Week 36—the third week of the school year in Réunion—the number of emergency department visits for asthma among children under 15 continued to...

Key Points In week 36 of 2025 (September 1–7, 2025), an increase in emergency department visits for asthma among children under 15 was observed in emergency departments and at SOS...

Key Points In week 36 (September 1–7, 2025), activity at SOS Médecins clinics increased among children (+11%, or +1,832 visits), decreased among those aged 75 and older (-9%, or -578...

Key Points Chikungunya, Dengue, and Zika Indigenous cases As of September 8, 2025, 49 episodes of indigenous vector-borne transmission have been identified in mainland France: 38...

Key Points Dengue, Chikungunya, and Zika As of September 10, no new episodes of local transmission have been detected on the island compared to last week, nor have any new local cases...