Summary

• Surveillance system for chikungunya, dengue, and Zika implemented from May 1 to November 30, 2017, in mainland France

• Summary of the surveillance of chikungunya, dengue, and Zika implemented from May 1 to November 30, 2016, in the Provence-Alpes-Côte d'Azur and Corsica regions

• Yellow fever: international situation and risk in mainland France

• Surveillance of West Nile and Toscana virus infections conducted from June 1 to October 31 in the Paca, Corsica, and Occitanie regions: 2016 summary and 2017 plan

• Regional review of health surveillance of heat waves and extreme heat events during the summer of 2016