Key points Extreme heat, heat wave Indicators of heat-related illnesses are currently at low levels. Asthma An increase in the number of visits for asthma attacks following...

Key Points Heat and Health Start of seasonal surveillance and 2024 summer summary Chikungunya, dengue, and Zika 81 cases of chikungunya and 55 cases of imported dengue reported since...

Key Points In Week 22 (May 26–June 1, 2025), activity at SOS Médecins clinics increased compared to Week 20 among children under 2 years of age (+15%, or +801 visits) and adults aged...

Key Points Nationally, the number of deaths from all causes reported by INSEE remains within the usual range of fluctuation across all age groups and regions in S21-2025. The number of...

Key Points In Week 22 (May 26–June 1, 2025), the number of emergency department visits increased among children under 2 years of age compared with the previous week (+8%, or +1,454...

Key Points Local cases No indigenous cases have been identified in mainland France. Imported cases From May 1, when enhanced surveillance began, through June 3, 2025, the following were...

Key points Reunion has been in the epidemic decline phase since Week 17. However, the virus continues to circulate actively throughout the island. Although declining, the risk of...

Key Points Dengue, Chikungunya, and Zika Since the start of enhanced surveillance (May 1), 58 imported cases (+13 since the last update) have been identified in the region: 33 cases of...

Key Points Dengue, Chikungunya, and Zika While the chikungunya outbreaks in Réunion and the dengue outbreaks in the French West Indies continue to impact surveillance in mainland...

Key Points Dengue, Chikungunya, and Zika 53 cases of dengue, 62 cases of chikungunya, and 1 case of Zika, all imported, reported in Île-de-France from May 1 to June 4, 2025. COVID-19 A...