Zika virus in French Polynesia 2013-14: anatomy of a completed outbreak. Comment

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Musso, Didier | Bossin, Herve | Mallet, Henri Pierre | Besnard, Marianne | Broult, Julien | Baudouin, Laure | Levi, Jose Eduardo | Sabino, Ester C. | Ghawche, Frederic | Lanteri, Marion C. | Baud, David

Edité par CCSD ; New York, NY : Elsevier Science ; The Lancet Pub. Group, 2001- -

International audience. The Zika virus crisis exemplified the risk associated with emerging pathogens and was a reminder that preparedness for the worst-case scenario, although challenging, is needed. Herein, we review all data reported during the unexpected emergence of Zika virus in French Polynesia in late 2013. We focus on the new findings reported during this outbreak, especially the first description of severe neurological complications in adults and the retrospective description of CNS malformations in neonates, the isolation of Zika virus in semen, the potential for blood-transfusion transmission, mother-to-child transmission, and the development of new diagnostic assays. We describe the effect of this outbreak on health systems, the implementation of vector-borne control strategies, and the line of communication used to alert the international community of the new risk associated with Zika virus. This outbreak highlighted the need for careful monitoring of all unexpected events that occur during an emergence, to implement surveillance and research programmes in parallel to management of cases, and to be prepared to the worst-case scenario.

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