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Mathieu C.,Servicio Agricola y Ganadero de Chile SAG | Moreno V.,Servicio Agricola y Ganadero de Chile SAG | Pedersen J.,Avian Section Diagnostic Virology Laboratory | Jeria J.,Servicio Agricola y Ganadero de Chile SAG | And 6 more authors.
Virus Research | Year: 2015

Aquatic and migratory birds, the main reservoir hosts of avian influenza viruses including those with high pathogenic potential, are the wildlife species with the highest risk for viral dissemination across countries and continents. In 2002, the Chilean poultry industry was affected with a highly pathogenic avian influenza strain, which created economic loss and triggered the establishment of a surveillance program in wild birds. This effort consisted of periodic samplings of sick or suspicious animals found along the coast and analyses with standardized techniques for detection of influenza A virus. The aim of this work is to report the detection of three avian influenza strains (H13N2, H5N9, H13N9) in gulls from Chile between 2007-2009, which nucleotide sequences showed highest similitudes to viruses detected in wild birds from North America. These results suggest a dissemination route for influenza viruses along the coasts of Americas. Migratory and synanthropic behaviors of birds included in this study support continued monitoring of avian influenza viruses isolated from wild birds in The Americas and the establishment of biosecurity practices in farms. © 2015 Elsevier B.V.

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