Key Points Domestic cases from May 1 to August 25, 2026 <li data-list-item-id="e5ee9d55e229390a330fa61f32124836c">9 cases of chikungunya <li data-list-item-id="e911a776f6bd4dc266efec2bf26abf87e">3 cases of dengue <li data-list-item-id="e471925bd415f61fc9d900759c7403f94">0 cases of Zika   <li data-list-item-id="ea25920d88fc4043d07284529e8b4149a">9 cases of West Nile virus infection

Key PointsExtreme Heat, Heat WavesThe daily number of heat-related illnesses in emergency rooms is low.SOS Médecins’ heat-related activity is also low.LeptospirosisThe number of reported...

Key PointsMalariaThe number of malaria cases showed a slight increase but remained low over the past two weeks, with 9 cases reported (7 in S33 and 2 in S34, provisional data) compared...

Key PointsFrom January 1 to December 31, 2025, 40 cases of brucellosis were reported to Santé publique France. All patients resided in mainland France except for one who lived in French...

Key PointsGastroenteritis and Acute Diarrhea Activity is down in hospital emergency departments (low activity level) and up at SOS Médecins (moderate activity level)Heat-related...

Key PointsSeveral Outbreaks of Local Transmission DetectedAs of August 25, 2026, five outbreaks of local transmission have been identified in Nouvelle-Aquitaine, totaling 24 cases of...

Key PointsChikungunya, Dengue, and ZikaSince May 1, 2026, 84 imported cases of dengue, 18 imported cases of chikungunya, and 1 imported case of Zika have been identified and investigated...

Key Points Smallpox B (Mpox) 23 imported cases from Madagascar and 5 locally acquired cases. Secondary spread from imported cases is limited, and local transmission is restricted.Dengue,...