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1 October 2010 Prevalence of Neutralizing Antibodies to West Nile Virus in Eleonora's Falcons in the Canary Islands
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Abstract

Birds are the major amplifying host for West Nile virus (WNV), a flavivirus that may affect humans and transmitted by bloodsucking vectors. Eleonora's Falcons (Falco eleonorae) migrate to the Canary Islands annually from WNV-endemic regions. To investigate the possible role of Eleonora's Falcons in the circulation of WNV, we measured WNV-specific antibodies in 81 falcons captured in 2006. None of the nestlings but 14.8% of the adults had WNV-neutralizing antibodies. RT-PCR did not detect flaviviruses in nonculicine ectoparasites (n=231) of the falcons. These findings suggest that WNV infection did not occur locally, but rather on the wintering grounds or during migration.

Laura Gangoso, Juan Manuel Grande, Francisco Llorente, Miguel Ángel Jiménez-Clavero, Jesús M. Pérez, and Jordi Figuerola "Prevalence of Neutralizing Antibodies to West Nile Virus in Eleonora's Falcons in the Canary Islands," Journal of Wildlife Diseases 46(4), 1321-1324, (1 October 2010). https://doi.org/10.7589/0090-3558-46.4.1321
Received: 23 February 2010; Accepted: 1 June 2010; Published: 1 October 2010
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