Public Health Monitoring in the Provence-Alpes-Côte d'Azur Region. Bulletin of September 10, 2026.

Key Points

Dengue, Chikungunya, and Zika 

  • No new locally transmitted cases identified
  • The regional tally remains at a single outbreak of locally transmitted dengue (2 cases) in the Bouches-du-Rhône department.

West Nile virus infections

  • High-risk period for West Nile virus infection; active circulation of the virus in the Bouches-du-Rhône, Vaucluse, and Var departments A total of 23 human cases have been identified in the Provence-Alpes-Côte d’Azur (PACA) region (+5 cases compared to the last update), half of whom were hospitalized. Ten cases were diagnosed in the Bouches-du-Rhône, 8 cases in the Vaucluse, and 5 cases in the Var.
  • A very large number of equine cases have been diagnosed in these same departments.

Heat Wave, Extreme Heat

  • The fourth heat wave in the Provence-Alpes-Côte d’Azur (PACA) region began on September 5 and ended on September 8: Vaucluse was the only department under an orange alert, while the Alpes-Maritimes, Bouches-du-Rhône, and Var were under a yellow alert.
  • The trends in heat-related indicators during this heatwave are detailed in a new regional heatwave bulletin, available on the Santé publique France website

Asthma at the Start of the School Year

  • Every year, during the two weeks following the start of the school year, there is a spike in emergency care visits for asthma among children. In the Provence-Alpes-Côte d’Azur (PACA) region, asthma-related visits to SOS Médecins and emergency departments among children under 15 remain low during Week 36 (the week schools reopen in mainland France).

Suicidal Behavior: Prevalence of Suicidal Thoughts and Suicide Attempts

  • To mark #YellowSeptember and World Suicide Prevention Day, here’s a look at data from the 2024 Santé publique France Health Barometer for the Paca region.

Mortality

  • The number of deaths from all causes, based on INSEE civil registry data, remained within the usual range of fluctuation in Week 35 (graphs not shown).
  • Data on electronic death certificates for all causes in S36 also remained in the same range as those typically observed.

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.

West Nile virus

thematic dossier

West Nile virus is an arbovirus primarily transmitted by mosquitoes that can cause neurological disorders in humans. It is a virus found in birds, but it can also infect humans and horses. In...

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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