Schmallenberg virus detection in Culicoides biting midges in Spain: First laboratory evidence for highly efficient infection of Culicoides of the Obsoletus complex and Culicoides imicola
Ver/Abrir
Autor/a
Pagès, N.
Talavera, S.
Verdún, M.
Pujol, N.
Valle, M.
Bensaid, A.
Pujols, J.
Fecha de publicación
2017-05-04ISSN
1865-1674
Resumen
Since Schmallenberg disease was discovered in 2011, the disease rapidly spread across Europe. Culicoides biting midges have been implicated as putative Schmallenberg vectors in Europe. The detection of Schmallenberg virus (SBV) in field collected Culicoides was evaluated through retrospective (2011–2012) collections and captures performed in 2013. This study represents the first detection of SBV in field collected Culicoides in Spain. Infectious midges were detected at the foothills of Pyrenees, Aramunt, in the summer 2012. All the specimens infected with Schmallenberg were of the species Culicoides obsoletus s.s. confirming its putative vector status in Spain. Experimental infection on field collected Culicoides provided evidence of atypical high efficiency for SBV vector infection and transmission potential in local populations of Culicoides imicola and in Culicoides of the Obsoletus complex. However, captured individuals of C. imicola were more susceptible to SBV infection than C. obsoletus s.l. (p < .001), with an infection ratio of 0.94 and 0.63, respectively. In contrast, a Culicoides nubeculosus colony appeared to be refractory to SBV infection.
Tipo de documento
Artículo
Versión del documento
Versión aceptada
Lengua
English
Materias (CDU)
619 - Veterinaria
Páginas
19
Publicado por
Wiley
Publicado en
Transboundary and Emerging Diseases
Citación
Pagès, N., S. Talavera, M. Verdún, N. Pujol, M. Valle, A. Bensaid, and J. Pujols. 2017. "Schmallenberg Virus Detection In Culicoides Biting Midges In Spain: First Laboratory Evidence For Highly Efficient Infection Of Culicoides Of The Obsoletus Complex And Culicoides Imicola ". Transboundary And Emerging Diseases 65 (1): e1-e6. Wiley. doi:10.1111/tbed.12653.
Número del acuerdo de la subvención
EC/DG SANCO/2012-349-UE/EU/Schmallenberg virus/SBV
Program
Sanitat Animal
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