Key Points

• The tiger mosquito is an urban and aggressive species

• Eight departments are classified as Level 1 in the ARA region due to the presence of Aedes albopictus, including two new departments for 2019: Loire and Puy-de-Dôme

• The number of affected municipalities doubles every year, reaching nearly 250 municipalities in the ARA region in 2018

• 117 suspected cases of arboviruses reported in 2018, including 33 confirmed imported cases of dengue and one confirmed imported case of chikungunya

• 64 requests for EIRAD intervention regarding arbovirus cases and 3 adulticide treatments carried out in 2018

• No indigenous cases of arbovirus disease have been identified in the ARA since surveillance began

• Everyone’s involvement in the fight against the tiger mosquito is essential; 80% of breeding sites are found in residential areas (gardens, balconies, etc.)