Key Points

Chikungunya, dengue, and Zika

• Since May 1, 2022, Île-de-France has reported the highest number of arbovirus cases in mainland France, with 11 confirmed cases of dengue, all linked to imported cases.

• The confirmed cases of dengue were mostly imported from Africa and the Americas.

• As of January 1, 2022, the number of affected municipalities in the Île-de-France region stands at 52, spread across all departments.

Heat waves and high temperatures

• In Île-de-France, during week 22, Météo France placed the entire region under a green alert (seasonal watch, no heat warning).