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© Christine Schmitt, Anubis Vega Rua, Jean-Marc Panaud
Tête de moustique femelle Aedes albopictus, vecteur du virus de la dengue et du chikungunya. Microphotographie électronique à balayage, image colorisée.
Publication : Bulletin de la Société de pathologie exotique (1990)

[Oral receptivity of Aedes aegypti formosus from Franceville (Gabon, central Africa) for type 2 dengue virus]

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Bulletin de la Société de pathologie exotique (1990) - 01 Dec 1999

Vazeille-Falcoz M, Failloux AB, Mousson L, Elissa N, Rodhain F

Link to Pubmed [PMID] – 10690473

Bull Soc Pathol Exot 1999 Dec;92(5):341-2

Dengue is widely distributed in the tropics but epidemic activity was rarely reported in Africa before the 1980’s. In the past 15 years, increased epidemic dengue fever has been reported both in East and West Africa, raising concern about the ability of local populations of Aedes aegypti to transmit dengue viruses. Ae. aegypti is present in two forms in Africa: Ae. aegypti aegypti and Ae. aegypti formosus. This latter form, much darker, was not originally a local species but is now colonizing artificial breeding sites within cities. We have been able to demonstrate the oral susceptibility for dengue type 2 virus of Ae. aegypti formosus collected in Franceville, Gabon (Central Africa). However, these mosquitoes sampled exhibited lower infection rates than those of a control colony of Ae. aegypti aegypti originating from French Polynesia.

http://www.ncbi.nlm.nih.gov/pubmed/10690473