title: West Nile and st. Louis encephalitis viruses antibodies surveillance in captive and free-ranging birds of prey from Argentina.
abstract: We evaluated the prevalence of WNV and SLEV neutralizing antibodies in captive and free-ranging raptors from Argentina by plaque-reduction neutralization test. Eighty plasma samples from 12 species were analyzed. Only one captive adult Crowned Eagle (Harpyhaliaetus coronatus) was WNV seropositive (prevalence: 1.25%; antibody titer of 1:80). Two captive Crowned Eagles were SLEV seropositive (prevalence: 2.50%; antibody titers: 1:80 and 1:40).These findings expand the geographic distribution of WNV and SLEV and confirm their activity in central and northeastern Argentina. West Nile virus activity in Argentina may represent a potential threat to Crowned Eagles and other endangered raptors in this country.
authors.affiliation: Laboratorio de Arbovirus, Instituto de Virología "Dr. J. M. Vanella", Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina.
authors.forename: Agustin I
authors.initials: AI
authors.lastname: Quaglia
authors.forename: Luis A
authors.initials: LA
authors.lastname: Diaz
authors.forename: Hernan
authors.initials: H
authors.lastname: Argibay
authors.forename: Marta S
authors.initials: MS
authors.lastname: Contigiani
authors.forename: Miguel D
authors.initials: MD
authors.lastname: Saggese
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000097:blood*; D001118:Argentina; D001715:Bird Diseases / Q000453:epidemiology* / Q000276:immunology; D004665:Encephalitis Virus, St. Louis / Q000276:immunology*; D015995:Prevalence; D020304:Raptors; D014902:West Nile virus / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral
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