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English to Spanish: West Nile virus in the endangered Spanish imperial eagle General field: Science Detailed field: Medical (general)
Source text - English The Spanish imperial eagle (Aquila adalberti) is considered to be the most endangered European eagle. The species is an endemic resident in the Southwestern Iberian Peninsula. We used RT-PCR, immunohistochemistry and seroneutralization to test samples from 13 wild and 18 captive eagles. WNV was detected by RT-PCR in tissues and/or oropharyngeal swabs of eight of 10 (80%) imperial eagles analyzed, and both in apparently clinically healthy birds, and in animals that died due to secondary infections but had symptoms/lesions compatible with WNV. Immunohistochemistry detected WNV antigen in Purkinje cells in the cerebellum, epithelial cells of the gizzard and duodenum, perivascular inflammatory cells, and in Kupffer-cells and hepatocytes. Serum antibodies against WNV were detected in a total of five out of 21 imperial eagles (23.8%), including free-living nestlings (two out of nine samples, 22.2%) and captive adult eagles (three out of 12 samples, 25%). Our results evidence WNV circulation among free-living and captive Spanish imperial eagles in South-central Spain, a dry inland region with no previous WNV evidence, throughout 6 consecutive years. They also indicate the need for further research into this important zoonosis in order to better understand its epidemiology in the Mediterranean ecosystem and in order to understand the role of WNV in the population dynamics of the critically endangered Spanish imperial eagle
Translation - Spanish El águila imperial ibérica (Aquila adalberti) es considerada el águila europea más amenazada. La especie es una residente endémica del sudoeste de la península ibérica. Usamos RT-PCR (Reacción en cadena de la polimerasa en tiempo real), inmunohistoquímica y seroneutralización para analizar muestras de 13 águilas imperiales de vida libre y 18 en cautividad. WNV (el virus del Nilo occidental) se detectó por RT-PCR en tejidos y/o torundas de orofaringe de 8 de 10 (80%) águilas imperiales analizadas, tanto en aves aparentemente sanas como en animales que murieron por infecciones secundarias pero con síntomas/lesiones compatibles con WNV.
A través de inmunohistoquímica se detectaron antígenos de WNV en células de Purkinje en el cerebelo, células epiteliales de la molleja y duodeno, células inflamatorias perivasculares, y en células de Kupffer y hepatocitos. Se detectaron anticuerpos séricos contra WNV en cinco de 21 águilas imperiales (23,8%), incluyendo pollos de vida libre (dos de nueve muestras, 22,2%) y adultos en cautividad (tres de 12 muestras, 25%).
Nuestros resultados evidencian la circulación del WNV en águilas imperiales de vida libre y en cautividad en el sur y centro de España, un área seca interior sin una evidencia previa de presencia del WNV, a lo largo de seis años consecutivos. Asimismo muestra la necesidad de futuros estudios de esta importante zoonosis para comprender mejor su epidemiología en el ecosistema mediterráneo y para entender el papel del WNV en la dinámica poblacional de esta especie española en peligro crítico
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PhD - Cordoba University
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Years of translation experience: 12. Registered at ProZ.com: Nov 2012.
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