Experimental study of the susceptibility of a European Aedes albopictus strain to dengue virus under a simulated Mediterranean temperature regime
Visualitza/Obre
Autor/a
Brustolin, M.
Santamaria, C.
Napp, S.
Verdún, M.
Rivas, R.
Pujol, N.
Talavera, S.
Busquets, N.
Data de publicació
2018-07-27ISSN
0269-283X
Resum
Dengue virus (DENV) has re‐emerged in Europe driven by the geographic expansion of the mosquito species Aedes albopictus and Aedes aegypti (Diptera: Culicidae) and the introduction of the virus by viraemic travellers. In the present study, the vector competence (VC) of Ae. albopictus collected in Catalonia (northeast Spain) was evaluated for two different DENV strains, DENV‐1 and DENV‐2, the serotypes responsible for all outbreaks of dengue that have occurred in Europe. Mosquitoes were reared under environmental conditions mimicking the mean temperature and humidity recorded in July on the Mediterranean coast of Catalonia. Mosquitoes were fed on an artificial infectious bloodmeal and, at 14 days post‐exposure, infection, disseminated infection and transmission rates (IR, DIR, TR) and transmission efficiency (TE) were determined by testing the virus in the body, legs and saliva. The tested Ae. albopictus strain was found to be susceptible to both DENV‐1 and DENV‐2 and to be able to transmit DENV‐1. This is the first time that the VC of Ae. albopictus for DENV has been tested in Europe in this specific context (i.e. mimicking the Mediterranean temperature and humidity recorded in Catalonia in July). This study confirms the potential of Ae. albopictus to start autochthonous DENV transmission cycles in the Mediterranean basin.
Tipus de document
Article
Versió del document
Versió publicada
Llengua
Anglès
Matèries (CDU)
619 - Veterinària
Pàgines
6
Publicat per
Wiley
Publicat a
Medical and Veterinary Entomology
Citació
Brustolin, M., C. Santamaria, S. Napp, M. Verdún, R. Rivas, N. Pujol, S. Talavera, and N. Busquets. 2018. "Experimental Study Of The Susceptibility Of A European Aedes Albopictus Strain To Dengue Virus Under A Simulated Mediterranean Temperature Regime". Medical And Veterinary Entomology 32 (4): 393-398. Wiley. doi:10.1111/mve.12325.
Número de l'acord de la subvenció
EC/FP7/613996/EU/Emerging viral vector borne diseases/VMERGE
Programa
Sanitat Animal
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