Circulation of zoonotic flaviviruses in wild passerine birds in Western Spain
2022
Marzal, A. | Ferraguti, M. | Muriel, J. | Magallanes, S. | Ortiz, J.A. | García-Longoria, L. | Bravo-Barriga, D. | Guerrero-Carvajal, F. | Aguilera-Sepúlveda, P. | Llorente, F. | de Lope, F. | Jiménez–Clavero, M.Á | Frontera, E.
We explore the presence of zoonotic flaviviruses (West Nile virus (WNV) and Usutu virus (USUV)) neutralizing antibodies in rarely studied passerine bird species. We report, for the first time in Europe, WNV-specific antibodies in red avadavat and cetti’s warbler, and USUV in yellow-crowned bishop. The evidence of WNV and USUV circulating in resident and migratory species has implications for both animal and public health. Future outbreaks in avian reservoir hosts may occur and passerines should be considered as priority target species in flavivirus surveillance programmes.
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