Key Points Chikungunya Viral transmission continues to decline, with viral circulation limited to certain municipalities and no significant impact on healthcare utilization. Dengue Last...

Key Points Chikungunya, Dengue, and Zika Since the start of enhanced surveillance on May 1, 59 cases of arboviral diseases have been reported in Normandy, all of which were imported...

Key Points Dengue, Chikungunya, and Zika Seven locally transmitted cases of chikungunya have already been identified in the Provence-Alpes-Côte d’Azur region: 2 linked to the outbreak...

Key Points Dengue, Chikungunya, and Zika A first indigenous outbreak of chikungunya has been identified in Corsica in the municipality of Grosseto-Prugna (Southern Corsica). A third...

Key Points Dengue, Chikungunya, and Zika 90 cases of dengue and 110 cases of chikungunya, all imported, were reported in Île-de-France from May 1 to July 1, 2025. As of July 1, 2025, 7...

Key Points Heat and Health First heat wave in the region from June 20 to 26, 2025 Second heat wave currently underway Chikungunya, dengue, and Zika 3 cases of locally acquired...

Key Points Heat-related indicators First heat wave in the region from June 29 to July 2, 2025 (with a 2-day red alert for the Yonne department). An increase in activity at emergency...

Key Points First locally acquired case detected in the region A locally acquired case of chikungunya reported on July 1, 2025, in Gironde: the first locally acquired case identified in...

Key Points According to Météo France, “On Tuesday afternoon, temperatures will rise compared to the previous day (…) Locally, highs of 40°C are possible in northern Yonne. (…)...

Key Points Local cases As of July 1, 2025, seven outbreaks of locally transmitted chikungunya have been identified in mainland France (n = 14 cases). Six of these outbreaks are located...