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Bluetongue in Spain: from the first outbreak to 2012

Investigation published in Transboundary and Emerging Diseases

December 1st, 2014

Outbreaks of bluetongue disease have occurred in Spain six times and have been caused by the following serotypes of bluetongue virus (BTV), in chronological order: BTV10, BTV2, BTV4, BTV1 and BTV8. Serotypes BTV1, BTV2 and BTV4 may have entered the country in Culicoides transported by wind; BTV8 via infected animal movements; and BTV10 across the Portuguese border. The evolution of each serotype has been different: BTV1, BTV4 and BTV10 spread throughout mainland Spain; BTV2 did not spread from the Balearic Islands to the Iberian Peninsula; and BTV8 has proven very poor at spreading throughout mainland Spain. The significant economic impact of the disease has led authorities to adopt control and eradication measures, which have evolved as new diagnostic tools and vaccines have become available. This review describes BTV infection in Spain, and it focuses on the clinical disease produced by each serotype, the Culicoides species which were present at what time, the origin of the virus and the control measures adopted. In the field, it has proven necessary to vaccinate livestock against each new BTV serotype as it arrived. Therefore, future eradication strategies should focus on developing polyvalent vaccines and vaccines that allow the differentiation of infected and vaccinated animals. As of 1 January 2013, the Iberian Peninsula is considered a restricted area for BTV1, and a small zone in southern Spain is a restricted area for BTV4, which includes the little BTV8 restricted area. Serotypes BTV1 and BTV4 were detected in sentinel animals in January and November and in March 2012, respectively. The last BTV8 positive animal was detected in November 2010, which implies that in the coming months, Spain may be declared free of BTV8




Perez de Diego AC., Sanchez-Cordon PJ. and Sanchez-Vizcaino JM..




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Bluetongue in Spain: from the first outbreak to 2012

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Bluetongue in Spain: from the first outbreak to 2012


Participants:

Universidad ComplutenseServicio de Inmunología Viral y Medicina Preventiva (SUAT). Centro de Vigilancia Sanitaria Veterinaria (VISAVET). Universidad Complutense (UCM).

Universidad de CórdobaFacultad de Veterinaria. Universidad de Córdoba (UCO).

Universidad ComplutenseDepartamento de Sanidad Animal. Facultad de Veterinaria. Universidad Complutense (UCM).







Transboundary and Emerging Diseases
FACTOR YEAR Q
2.944 2014

NLMID: 101319538

PMID: 23480789

ISSN: 1865-1674



TITLE: Bluetongue in Spain: from the first outbreak to 2012


JOURNAL: Transbound. Emerg. Dis.


NUMERACIÓN: 61(6):e1-e11


AÑO: 2014


PUBLISHER: Blackwell Verlag


AUTHORS: Perez de Diego AC., Sanchez-Cordon PJ. and Sanchez-Vizcaino JM..


VISAVET PARTICIPANTS


José Manuel Sánchez-Vizcaíno Rodríguez

DOI: https://doi.org/ 10.1111/tbed.12068


CITE THIS PUBLICATION:

Perez de Diego AC., Sanchez-Cordon PJ. and Sanchez-Vizcaino JM. Bluetongue in Spain: from the first outbreak to 2012. Transboundary and Emerging Diseases. 61(6):e1-e11. 2014. (R). ISSN: 1865-1674. DOI: 10.1111/tbed.12068


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