Public Health Monitoring in Bourgogne-Franche-Comté. Bulletin dated September 10, 2026.

Key Points

Extreme heat, heat wave

  • Extension of the heat advisory through September 30
  • Low in emergency rooms and very low in the city

Chikungunya, dengue, and Zika

Confirmed imported cases:

  • 8 cases of chikungunya (6% of cases in France), the majority of which (6/8; 75%) were travelers returning from the Indian Ocean;
  • 11 cases of dengue (accounting for 3% of cases in France), 82% (9 out of 11) of whom had returned from Martinique and Guadeloupe;
  • 1 case of Zika virus infection.

Locally acquired cases:

  • No locally acquired cases were identified.

In relation to

Fortes chaleurs, canicule

Extreme heat, heat wave

thematic dossier

Heat waves can have a significant impact on health. It is therefore essential to take proper precautions. Certain measures must be put in place, especially for those most at risk.

Dengue

thematic dossier

Dengue fever is a viral disease transmitted by mosquitoes of the genus Aedes. The most common symptoms are fever and joint pain. Its complications can be severe.

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