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As it does every year, mainland France entered an enhanced surveillance period for arboviral diseases on May 1 (which will last until November 30). Faced with the growing threat of...
No locally acquired cases have been identified in mainland France.
From May 1, when enhanced surveillance began, through May 25, 2026, the following cases were identified:
No indigenous cases have been identified in mainland France.
thematic dossier
Chikungunya is a viral disease transmitted by mosquitoes of the genus Aedes. The most common symptoms are fever and joint pain.
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.
thematic dossier
Zika is a viral disease transmitted primarily by mosquitoes but also through sexual contact. Symptoms are usually mild, but the virus can cause birth defects if a woman becomes infected during...
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