Key Points Nationally and regionally, the number of deaths from all causes reported by INSEE remains within the usual range of fluctuation in Week 13 of 2026 across all age...

Key Points Pollen and Allergies Pollen exposure was at a low level. Allergy-related activity at SOS Médecins continued to rise slightly, remaining at the usual level for...

Key Points Asthma Following a sharp increase in the number of emergency department visits and the number of visits followed by hospitalization for asthma in S11, the number of...

Key Points Influenza and Flu-Like Illnesses Baseline level; epidemic ended 6 weeks ago Flu-related activity is declining at SOS Médecins and in emergency departments ...

Per- and polyfluoroalkyl substances (PFAS), derived from organic synthetic chemistry, constitute a large family of compounds that have been used since the 1950s in numerous industrial...

Key points Smallpox B (Mpox) 8 cases (including 4 imported cases) were reported in Réunion between S05 and S13/2026. Leptospirosis A seasonal resurgence of...

Key Points Since the detection of the first case of chikungunya at the end of January, 81 cases have been biologically confirmed by hospital and private laboratories, primarily in...

Key points Bronchiolitis (under 1 year of age) Activity outside of an epidemic. Stability in the indicators monitored in hospital emergency departments and SOS Médecins. Low...

Key Points Acute respiratory infections Low and stable activity in hospital emergency departments, moderate and stable at SOS Médecins Bronchiolitis ( 1 year) Outside of...