Key Points Chikungunya, dengue, ZikaEnhanced surveillance from May to November aimed at early case detection and reducing the risk of transmission within the region; epidemiological...

Key Points From the end of January (W4) through the fourth week of April (W17), 204 biologically confirmed cases of chikungunya were reported in French Guiana. The increase in the number...

Introduction - Between 2005 and 2007, the Chikungunya virus (CHIKV) caused a massive outbreak on Réunion Island, which peaked in February 2006. Whole blood collection was suspended on...

Key PointsIn Auvergne-Rhône-Alpes, in 2025, a record number of arbovirus cases:57 locally transmitted cases (53 chikungunya, 4 dengue)8 local outbreaks identified in 6 departments347...

Key PointsSince late January (S2026-04), 108 cases of chikungunya have been confirmed, mainly in the Western Littoral sector (82%), but cases have also been detected in the Cayenne...

Key Points Since the detection of the first case of chikungunya at the end of January, 81 cases have been biologically confirmed by hospital and private laboratories, primarily in the...

Key Points Since the detection of the first case of chikungunya in late January 2026, 51 cases have been confirmed by laboratories. Viral circulation remains primarily concentrated on...

Key Points The first case of chikungunya in the French Departments of the Americas (DFA) was detected in Saint Martin in October 2013. In French Guiana, the first case—imported from...