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 Corsica since week 33. The season’s tally stands at 3 outbreaks and 18 cases of locally acquired chikungunya.

Influenza and influenza-like illnesses

• Very low activity.

Bronchiolitis (under 1 year)

• Low activity.

COVID-19

• Low activity.