Investigation of a sudden malaria outbreak in the isolated Amazonian village of Saul, French Guiana, January-April 2009.

Abstract : Malaria is endemic in French Guiana. Plasmodium falciparum and Plasmodium vivax are the predominant species responsible and Anopheles darlingi is described as the major vector. In mid-August 2008, an increase in malaria incidence was observed in Saül. A retrospective cohort survey was performed. In vitro susceptibility profiles to antimalarials were determined on P. falciparum isolates. Collections of mosquitoes were organized. The malaria attack rate reached 70.6/100. The risk of malaria increased for people between 40 and 49 years of age, living in a house not subjected to a recent indoor residual insecticide spraying or staying overnight in the surrounding forest. All isolates were susceptible. Anopheles darlingi females and larvae were collected in the village suggesting a local transmission. Our results strongly support a role of illegal mining activities in the emergence of new foci of malaria. Therefore, public health authorities should define policies to fight malaria at a transborder level.
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Franck Berger, Claude Flamand, Lise Musset, Félix Djossou, Jacques Rosine, et al.. Investigation of a sudden malaria outbreak in the isolated Amazonian village of Saul, French Guiana, January-April 2009.. American Journal of Tropical Medicine and Hygiene, American Society of Tropical Medicine and Hygiene, 2012, 86 (4), pp.591-7. ⟨10.4269/ajtmh.2012.11-0582⟩. ⟨pasteur-00705561⟩

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