Key points

Chikungunya, dengue, Zika

• 151 imported cases of dengue and 2 imported cases of chikungunya identified as probable or confirmed in Nouvelle-Aquitaine, and no imported cases of Zika from May 1 to October 15

• No locally acquired cases of dengue, chikungunya, or Zika identified in the region

• The proportion of imported dengue cases reporting travel to the Caribbean has been rising again since September: 72% of cases reported since September vs. 50% in July/August

• 125 entomological surveys (mosquito searches) and 109 vector control treatments carried out around imported cases residing in or passing through the region

West Nile Virus

• One locally acquired human case reported in the Pyrénées-Atlantiques confirmed in early October