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Aedes aegypti in French Guiana: susceptibility to a dengue virus

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Abstract:

Twenty-seven samples of Aedes aegypti (F1 generation) from French Guiana were tested for their susceptibility to dengue serotype 2 virus. Very high infection rates were observed by indirect fluorescent antibody (IFA) test. Ae. aegypti samples were pooled according to two groups: the first group (N=10) represented mosquitoes from the urbanized area of Cayenne and surroundings, and the second group (N=17) corresponded to mosquitoes collected in the countryside. Infection rates were found to be similar in these two cases. These findings are discussed in relation with the history of Ae. aegypti in this part of the world.

Keywords: Aedes aegypti; French Guiana; dengue; oral infection

Document Type: Research Article

Affiliations: 1: Unité d’Entomologie médicale, Institut Pasteur de la Guyane, Cayenne, French Guiana, France 2: Unité d’Ecologie des systèmes vectoriels, Institut Pasteur, Paris, France

Publication date: 2001-01-01

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