Key Points Chikungunya, Dengue, and Zika  Local cases  No locally acquired cases have been identified in mainland France. Imported cases  From May 1, when enhanced...

Key Points  Since May 26, 17 departments have been placed under an orange heat wave alert in 5 regions (Brittany, Île-de-France, Normandy, Nouvelle-Aquitaine, and Pays de la Loire),...

Key Points Among children, the number of calls for the majority of indicators across both networks increased in May 2026 compared to April (taking into account the difference in the...

Key Points Nationally and regionally, the number of deaths from all causes reported by INSEE remained within the usual range of fluctuation in week 21 of 2026 across all age groups. ...

Key Points Chikungunya, Dengue, and Zika  Local cases  No locally acquired cases have been identified in mainland France. Imported cases  From May 1, when enhanced surveillance...

Key Points  In week 22 (May 25–31, 2026), the number of emergency department visits increased compared to the previous week among children under 2 years of age (+11.7%, or +2,218...

Key Points In Week 22 (May 25–31, 2026), activity at SOS Médecins clinics increased compared to the previous week for children (+16.6%, or 4,046 more visits) and remained stable for...

Key Points In 2025, 188 cases of smallpox B (mpox) were reported, 4 of which were not biologically confirmed. The reported cases involved 181 men (96%) and 7 women. With the exception...

Key Points A total of 222 cases of smallpox B (mpox) were reported in 2024. All reported cases involved adults, 213 men and 9 women. The first case of monkeypox (mpox) caused by...

Key Points From January 1 to March 31, 2026, 67 cases of smallpox B (mpox) were reported, including 3 without laboratory confirmation. As of the date of this bulletin, clade Ib has...