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 slight increase in emergency department visits among those aged 65 and older. A moderate increase in detection in wastewater.