thematic dossier
Vector-borne diseases
Les maladies à transmission vectorielle sont des maladies infectieuses transmises par des vecteurs, essentiellement insectes et acariens hématophages. Santé publique France participe à leur...
Health Monitoring in the Provence-Alpes-Côte d'Azur Region. Bulletin of May 20, 2026.
Key Points
Dengue, Chikungunya, and Zika
Since the start of enhanced surveillance (May 1), 18 imported cases have been identified in the region: 5 cases of chikungunya (+1 compared to last week) and 13 cases of dengue (+5).
West Nile virus infections
No locally acquired cases have been detected in the region, or more broadly in mainland France, since the start of enhanced surveillance (May 1).
Pollen and Allergies
Pollen exposure was at a moderate to high level, primarily due to grass pollen.
Allergy-related activity at SOS Médecins is trending upward, at a level typical for the season.
Mortality
No excess mortality observed.
In relation to
Chikungunya
thematic dossier
Chikungunya is a viral disease transmitted by mosquitoes of the genus Aedes. The most common symptoms are fever and joint pain.
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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