Detection of West Nile virus lineage 2 in North‐Eastern Spain (Catalonia)
2018
Busquets, Núria | Laranjo‐González, Minerva | Soler, Mercè | Nicolás, Olga | Rivas, Raquel | Talavera, Sandra | Villalba, Rubén | San Miguel, Elena | Torner, Núria | Aranda, Carles | Napp, Sebastian | Producció Animal | Sanitat Animal
In September 2017, West Nile virus (WNV) lineage 2 was detected in Catalonia (Northern Spain) in northern goshawks by passive surveillance. The phylogenetic analyses showed that it was related to the Central/Southern European strains, evidencing WNV lineage 2 spread to Western Europe. WNV local transmission was later detected in bearded vultures housed at the Wildlife Recovery center where the goshawk was transferred to. Further studies, before the following period of high mosquito activity, indicated that WNV had circulated intensively in poultry and horses but only surrounding of the area where the virus was detected. In other areas of Catalonia, circulation of flaviviruses different to WNV was identified. Public Health investigations failed to detect WNV infection in humans.
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