Presence of antibodies against H5, H7 and H9 influenza a virus in wild birds in the state of São Paulo, Brazil

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dc.contributor.authorde Sousa, E. [UNESP]
dc.contributor.authorCosta, T. P. [UNESP]
dc.contributor.authorWerther, K. [UNESP]
dc.contributor.authorDurigon, E. L.
dc.contributor.authorde Araujo, J.
dc.contributor.authorFerreira, C. S.
dc.contributor.authorPinto, A. A. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-27T11:30:50Z
dc.date.available2014-05-27T11:30:50Z
dc.date.issued2013-10-10
dc.description.abstractAlthough the natural reservoirs of the avian influenza (AI) virus have been extensively studied in many countries, there is a clear lack of information on this subject in South America, particularly in Brazil. The objective of this study was to conduct a serological survey for H5, H7 and H9 antibodies to AI-subtype viruses in wild birds in the state of São Paulo, Brazil. Serum samples were tested using the hemagglutination-inhibition assay. Out of the 31 wild birds sampled between January and December of 2006, seven (22.58%), were seropositive for H5, H7 and H9; four (12.90%) were seropositive for H5 and H7; 13 (41.94%), were seropositive only for H7; three (9.7%), were seropositive only for H9; and four (12.90%) were negative for all three hemagglutinin subtypes. These results indicate that AI viruses belonging to H5, H7 and H9 subtypes circulate among wild birds in the state of São Paulo in the form of either concurrent or consecutive infections. This study contributes to the knowledge of AI epidemiology in Brazil, and stresses the need of further detailed and long-term epidemiological and ecological investigation to determine the current status of this virus.en
dc.description.affiliationDepartamento de Patologia Veterinária Universidade Estadual Paulista, Jaboticabal, SP
dc.description.affiliationDepartamento de Microbiologia Instituto de Ciências Biomédicas Universidade de São Paulo, São Paulo
dc.description.affiliationUnespDepartamento de Patologia Veterinária Universidade Estadual Paulista, Jaboticabal, SP
dc.format.extent169-172
dc.identifierhttp://dx.doi.org/10.1590/S1516-635X2013000300001
dc.identifier.citationRevista Brasileira de Ciencia Avicola, v. 15, n. 3, p. 169-172, 2013.
dc.identifier.doi10.1590/S1516-635X2013000300001
dc.identifier.file2-s2.0-84885041978.pdf
dc.identifier.issn1516-635X
dc.identifier.lattes8846803499562819
dc.identifier.scieloS1516-635X2013000300001
dc.identifier.scopus2-s2.0-84885041978
dc.identifier.urihttp://hdl.handle.net/11449/76826
dc.identifier.wosWOS:000326811700001
dc.language.isoeng
dc.relation.ispartofRevista Brasileira de Ciência Avícola
dc.relation.ispartofjcr0.463
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectAvian influenza virus
dc.subjectBrazil
dc.subjectHemagglutina-tion inhibition
dc.subjectReservoir
dc.subjectWild bird
dc.titlePresence of antibodies against H5, H7 and H9 influenza a virus in wild birds in the state of São Paulo, Brazilen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/rbca/iaboutj.htm#03
unesp.author.lattes8846803499562819
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt

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