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Variation in oral susceptibility to dengue type 2 virus of populations of Aedes aegypti from the islands of Tahiti and Moorea, French Polynesia.

Abstract : Twenty three samples of Aedes aegypti populations from the islands of Tahiti and Moorea (French Polynesia) were tested for their oral susceptibility to dengue type 2 virus. The high infection rates obtained suggest that the artificial feeding protocol used was more efficient than those previously described. Statistical analysis of the results allowed us to define two distinct geographic areas on Tahiti with respect to the susceptibility of Ae. aegypti: the east coast, with homogeneous infection rates, and the west coast, with heterogeneous infection rates. No geographic differences could be demonstrated on Moorea. The possible mechanisms of this phenomenon are discussed in connection with recent findings on the variability of susceptibility of Ae. aegypti to insecticides.
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Marie Vazeille-Falcoz, Laurence Mousson, Francois Rodhain, Eliane Chungue, Anna-Bella Failloux. Variation in oral susceptibility to dengue type 2 virus of populations of Aedes aegypti from the islands of Tahiti and Moorea, French Polynesia.. American Journal of Tropical Medicine and Hygiene, American Society of Tropical Medicine and Hygiene, 1999, 60 (2), pp.292 - 299. ⟨10.4269/ajtmh.1999.60.292⟩. ⟨pasteur-01715908⟩

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