Overview of chikungunya viral transmission, French Guiana, 2026
In January 2026, French Guiana detected its first confirmed chikungunya case, initiating a second outbreak after the first one which occurred in 2014/15. The expected seroprevalence for 2026 is estimated at 16.2%, with the virus likely spreading eastward from the west of French G
In January 2026, French Guiana detected its first confirmed chikungunya case, initiating a second outbreak after the first one which occurred in 2014/15. The expected seroprevalence for 2026 is estimated at 16.2%, with the virus likely spreading eastward from the west of French Guiana. The causative East/Central/South African (ECSA) strain, lacking the vector-adaptive E1-A226V mutation, may reduce transmission risk in mainland France and Europe, but Caribbean Islands remain vulnerable due to the vector's presence.
Auteur(s) : Sinturel Marion Petit, Rousset Dominique, Enfissi Antoine, Ramavoson Tsiriniaina, Kezza Crepin, Jourdain Frédéric, Djossou Félix, Succo Tiphanie
Année de publication : 2026
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Source.
Santé publique France — Santé publique France, sous licence ouverte 2.0
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Articles are general information aggregated from third-party medical sources. They are NOT a substitute for in-person diagnosis or treatment. For personal medical guidance, consult a verified clinician or call your local emergency line (112 in the EU).