Key PointsChikungunya, Dengue, and ZikaIndigenous CasesAs of August 3, 2026, five outbreaks of locally transmitted vector-borne disease have been identified in mainland France:3...

Key PointsDengueDengue activity remains low throughout the country. Since the beginning of the year, 11 cases of dengue have been laboratory-confirmed, with the most recent case reported...

Key Points Imported Cases 11 cases of chikungunya24 cases of dengue2 cases of Zika  Locally acquired casesOne locally acquired case of West Nile virus infection was identified in the...

Key PointsChikungunya, Dengue, and ZikaLocally Acquired CasesAs of July 27, 2026, two unrelated locally acquired cases of dengue fever were identified in the Tarn and Hérault departments...

Key PointsSince late January (Week 04), 1,222 cases of chikungunya have been laboratory-confirmed in French Guiana, including 20 in Week 29 (unconsolidated data). The virus continues to...

Key PointsChikungunya, Dengue, and ZikaIndigenous CasesAs of July 20, 2026, two locally acquired cases of dengue have been identified in the Tarn and Hérault departments...

Key Points Imported Cases 9 cases of chikungunya22 cases of dengue2 cases of Zika  Locally acquired casesOne locally acquired case of West Nile virus infection was identified in the...

Key PointsChikungunya, Dengue, and ZikaIndigenous CasesNo locally acquired cases have been identified in mainland France.Imported casesFrom May 1, when enhanced surveillance began,...

Key PointsSince late January (Week 04), 1,057 cases of chikungunya have been laboratory-confirmed in French Guiana, including 44 in Week 27 (unconsolidated data). The virus continues to...

Key Points Chikungunya, Dengue, and ZikaIndigenous Cases No locally acquired cases have been identified in mainland France.Imported cases From May 1, when enhanced surveillance began,...