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Jiménez-Ruiz S, Paniagua J, Isla J, Martínez-Padilla AB, de Los Ángeles Risalde M, Caballero-Gómez J, Cano-Terriza D, Pujols J, Arenas A, García-Bocanegra I. Description of the first Schmallenberg disease outbreak in Spain and subsequent virus spreading in domestic ruminants. Comp Immunol Microbiol Infect Dis 2019; 65:189-193. [PMID: 31300112 DOI: 10.1016/j.cimid.2019.06.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 06/03/2019] [Indexed: 11/25/2022]
Abstract
Schmallenberg disease (SBD) is an emerging disease transmitted mainly among ruminant species by biting midges of the genus Culicoides. Since the Schmallenberg virus (SBV) was first identified in Germany in late 2011, it rapidly spread to other European countries. The aims of the present study were to describe the first SBD outbreak in Spain and to assess the spread and risk factors associated with SBV infection in domestic ruminants from nearby farms during the following year. In March 2012, one malformed stillborn lamb from a sheep farm located in Cordoba province (Southern Spain) was subjected to necropsy. Pathological compatible lesions and molecular analyses confirmed the first SBV infection in Spain. Afterwards, serum samples from 505 extensively reared domestic ruminants from 29 farms were analysed using both blocking ELISA and virus neutralization test against SBV. The overall seroprevalence was 54.4% (CI95%: 50.0-58.7). Antibodies were detected in 70.6%, 46.0% and 34.8% of cattle, sheep and goats, respectively. A generalized estimating equation model indicated that the main risk factors associated with SBV infection were: species (cattle), age (adult), and absence of animal insecticide treatment. Pathological and molecular results confirmed the presence of SBV in Spain few months after it was firstly identified in Germany. The seroprevalence detected indicates a widespread circulation of SBV in nearby domestic ruminant farms one year after this first outbreak was reported in Spain. Further studies are warranted to determine the spatio-temporal trend of SBV in domestic ruminants in this country.
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Affiliation(s)
- Saúl Jiménez-Ruiz
- Departamento de Sanidad Animal, Facultad de Veterinaria, UCO, Campus Universitario de Rabanales, 14071 Córdoba, Spain; Grupo de Sanidad y Biotecnología, Instituto de Investigación en Recursos Cinegéticos, Universidad de Castilla la Mancha, (SaBio-IREC, UCLM-CSIC-JCCM), 13005, Ciudad Real, Spain
| | - Jorge Paniagua
- Departamento de Sanidad Animal, Facultad de Veterinaria, UCO, Campus Universitario de Rabanales, 14071 Córdoba, Spain
| | - Julio Isla
- Departamento de Sanidad Animal, Facultad de Veterinaria, UCO, Campus Universitario de Rabanales, 14071 Córdoba, Spain
| | - Ana Belén Martínez-Padilla
- Departamento de Sanidad Animal, Facultad de Veterinaria, UCO, Campus Universitario de Rabanales, 14071 Córdoba, Spain
| | - María de Los Ángeles Risalde
- Departamento de Anatomía y Anatomía Patológica Comparadas, Facultad de Veterinaria, UCO, Campus Universitario de Rabanales, 14071 Córdoba, Spain; Unidad de Enfermedades Infecciosas, Grupo de Virología Clínica y Zoonosis, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario de Córdoba, 14004 Córdoba, Spain
| | - Javier Caballero-Gómez
- Departamento de Sanidad Animal, Facultad de Veterinaria, UCO, Campus Universitario de Rabanales, 14071 Córdoba, Spain; Unidad de Enfermedades Infecciosas, Grupo de Virología Clínica y Zoonosis, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario de Córdoba, 14004 Córdoba, Spain
| | - David Cano-Terriza
- Departamento de Sanidad Animal, Facultad de Veterinaria, UCO, Campus Universitario de Rabanales, 14071 Córdoba, Spain
| | - Joan Pujols
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
| | - Antonio Arenas
- Departamento de Sanidad Animal, Facultad de Veterinaria, UCO, Campus Universitario de Rabanales, 14071 Córdoba, Spain
| | - Ignacio García-Bocanegra
- Departamento de Sanidad Animal, Facultad de Veterinaria, UCO, Campus Universitario de Rabanales, 14071 Córdoba, Spain.
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