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Rift Valley fever virus and European mosquitoes: Vector competence of Culex pipiens and Stegomyia albopicta (= Aedes albopictus)

Brustolin M., Talavera Sandra, Nuñez A., Santamaría C., Rivas R., Pujol N., Valle M., Verdún M., Brun Alejandro, Pagès Nonito, Busquets Núria. 2017. Rift Valley fever virus and European mosquitoes: Vector competence of Culex pipiens and Stegomyia albopicta (= Aedes albopictus). Medical and Veterinary Entomology, 31 (4) : pp. 365-372.

Journal article ; Article de recherche ; Article de revue à facteur d'impact
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Quartile : Q1, Sujet : VETERINARY SCIENCES / Quartile : Q2, Sujet : ENTOMOLOGY

Liste HCERES des revues (en SHS) : oui

Thème(s) HCERES des revues (en SHS) : Psychologie-éthologie-ergonomie

Abstract : Rift Valley fever (RVF) is a mosquito‐borne disease caused by the Rift Valley fever virus (RVFV). Rift Valley fever affects a large number of species, including human, and has severe impact on public health and the economy, especially in African countries. The present study examined the vector competence of three different European mosquito species, Culex pipiens (Linnaeus, 1758) form molestus (Diptera: Culicidae), Culex pipiens hybrid form and Stegomyia albopicta (= Aedes albopictus) (Skuse, 1894) (Diptera: Culicidae). Mosquitoes were artificially fed with blood containing RVFV. Infection, disseminated infection and transmission efficiency were evaluated. This is the first study to assess the transmission efficiency of European mosquito species using a virulent RVFV strain. The virus disseminated in Cx. pipiens hybrid form and in S. albopicta. Moreover, infectious viral particles were isolated from saliva of both species, showing their RVFV transmission capacity. The presence of competent Cx. pipiens and S. albopicta in Spain indicates that an autochthonous outbreak of RVF may occur if the virus is introduced. These findings provide information that will help health authorities to set up efficient entomological surveillance and RVFV vector control programmes.

Mots-clés Agrovoc : Culex pipiens, Aedes albopictus, Virus de la fièvre de la vallée du Rift, Maladie transmise par vecteur, Transmission des maladies

Mots-clés géographiques Agrovoc : Europe

Mots-clés complémentaires : Fièvre de la Vallée du Rift

Mots-clés libres : Culex pipiens, Stegomyia albopicta(=Aedes albopictus), FTA™ Cards, Rift Valley fever virus, Saliva, Transmission, Vector competence

Classification Agris : L73 - Animal diseases

Champ stratégique Cirad : Axe 4 (2014-2018) - Santé des animaux et des plantes

Agence(s) de financement européenne(s) : European Commission

Programme de financement européen : FP7

Projet(s) de financement européen(s) : Emerging viral vector borne diseases

Auteurs et affiliations

  • Brustolin M., CReSA (ESP)
  • Talavera Sandra, CReSA (ESP)
  • Nuñez A., CReSA (ESP)
  • Santamaría C., CReSA (ESP)
  • Rivas R., CReSA (ESP)
  • Pujol N., CReSA (ESP)
  • Valle M., CReSA (ESP)
  • Verdún M., CReSA (ESP)
  • Brun Alejandro, CISA (ESP)
  • Pagès Nonito, CIRAD-BIOS-UMR ASTRE (FRA) ORCID: 0000-0001-6020-7175
  • Busquets Núria, CReSA (ESP) - auteur correspondant

Source : Cirad-Agritrop (https://agritrop.cirad.fr/595507/)

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