Key Points

West Nile and Usutu

Active circulation of West Nile and Usutu viruses in Gironde and Charente-Maritime.

Chikungunya, dengue, Zika

From May 1 to September 1, 2023, 64 imported cases of dengue and 4 imported cases of chikungunya were identified in the region (compared to 30 imported cases of dengue and 3 imported cases of chikungunya from May 1 to November 30, 2022). To limit the emergence of local transmission chains, 107 entomological surveys (mosquito searches) and 69 vector control treatments were carried out around cases residing in or visiting the region.