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2009•PLoS ONEOpen access

Aedes albopictus Mosquito: The Main Vector of the 2007 Chikungunya Outbreak in Gabon

Frédéric Pagès, Christophe N. Peyrefitte, Médard Toung Mve, Fanny Jarjaval, Sylvain Brisse, Isabelle Iteman, P. Gravier, Dieudonné Nkoghe, Marc Grandadam

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Abstract

The primary vector at the origin of the 2007 outbreak in Libreville, Gabon is identified as Aedes albopictus, trapped around the nearby French military camp. The Chikungunya virus was isolated from mosquitoes and found to be identical to the A226V circulating human strain. This is the first field study showing the role of the recently arrived species Aedes albopictus in Chikungunya virus transmission in Central Africa, and it demonstrates this species' role in modifying the epidemiological presentation of Chikungunya in Gabon.

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What this paper is about

The primary vector at the origin of the 2007 outbreak in Libreville, Gabon is identified as Aedes albopictus, trapped around the nearby French military camp. The Chikungunya virus was isolated from mosquitoes and found to be identical to the A226V circulating human strain. This is the first field study showing the role of the recently arrived species Aedes albopictus in Chikungunya virus transmission in Central Africa, and it demonstrates this species' role in modifying the epidemiological presentation of Chikungunya in Gabon.

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Available abstract

The primary vector at the origin of the 2007 outbreak in Libreville, Gabon is identified as Aedes albopictus, trapped around the nearby French military camp. The Chikungunya virus was isolated from mosquitoes and found to be identical to the A226V circulating human strain. This is the first field study showing the role of the recently arrived species Aedes albopictus in Chikungunya virus transmission in Central Africa, and it demonstrates this species' role in modifying the epidemiological presentation of Chikungunya in Gabon.

Key concepts: Chikungunya, Aedes albopictus, Outbreak, Vector (molecular biology), Virology, Alphavirus infection, Aedes, Dengue fever

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