Key Points Since August 2025, there has been a constant circulation of highly pathogenic avian influenza viruses of subtype A(H5N1) from clade 2.3.4.4b among wild birds in Europe,...

Key Points Protocol for active surveillance of avian influenza implemented as a pilot program in 2023–2024 and 2024–2025. Four regions involved: Brittany, Pays de la Loire,...

The Interministerial Mission for the Fight Against Drugs and Addictive Behaviors and the Directorate General for Health commissioned the National Institute of Health and Medical Research...

Key Points At the national level, the number of deaths from all causes reported by INSEE remains within the usual range of fluctuation in S46-2025 across all age groups. At the...

Key Points Overall activity at SOS Médecins clinics is down among adults (-10%, or -6,207 visits), following the stability observed in week 46. Activity remained stable among children,...

Key Points In week 47 (November 17–23), the number of emergency department visits decreased among those aged 15–74 (-8%, or -18,882 visits) and remained stable in other age groups. The...

Key Points Acute respiratory infections (ARI) Activity is clearly on the rise among children and generally stable among adults. Influenza Increase in influenza indicators as the...

Key Points Dengue, Chikungunya, and Zika This is the final update on enhanced surveillance for arboviruses for the 2025 season. No new locally acquired cases have been reported in...

Key Points Chikungunya, dengue, Zika Imported cases: 248 dengue 201 chikungunya 1 Zika Local cases: 2 chikungunya West Nile virus infections 18 confirmed local human cases of West...

Key Points Acute Respiratory Infections Flu and flu-like illnesses: Increased activity at SOS Médecins and in emergency departments across all age groups, at levels comparable to those...