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Serological evidence of West Nile virus in wild birds in Portugal

2024Conference object Open access
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dc.contributor.authorLoureiro, Filipa
dc.contributor.authorMatos, Ana Cristina
dc.contributor.authorPintado, Cristina Santos
dc.contributor.authorCardoso, Luís
dc.contributor.authorSilva, Filipe
dc.contributor.authorMatos, Manuela
dc.contributor.authorCoelho, Ana Cláudia
dc.date.accessioned2025-01-14T17:31:54Z
dc.date.available2025-01-14T17:31:54Z
dc.date.issued2024
dc.description.abstractWest Nile virus (WNV) has a zoonotic transmission cycle. Avian species are considered the definitive hosts, and mosquitoes and other arthropods are the main vectors. Humans are considered accidental and dead-end hosts, since mammals are unable to efficiently amplify the virus. We aimed at studying serological prevalence of WNV circulation in wild birds in Portugal. Three hundred and six individuals belonging to 34 different species and 11 orders were sampled, , and tested with a commercial ELISA kit for antibodies to WNV. Results were positive for 64 samples (20.9%; 95% confidence interval [CI]: 16.5-25.9%) as follows: Accipitriformes (n=44; 23%; 95% CI: 17.3-29.7%), Ciconiiformes (n=4; 9.3%¸95% CI: 2.6- 22.1%), Columbiformes (n=1; 16.7%¸95% CI: 0.4-64.1%), Otidiformes (n=1; 2.5%; 95% CI: 0.0- 97.5), and Strigiformes (n=14; 31.1%¸95% CI: 18.2-46.7%). So far, serological and molecular evidence of WNV circulation was mostly restricted to the southern part of the country, and our preliminary results found antibodies to WNV in samples collected from birds in the North of Portugal. Climate has been recognized as one of the main factors influencing WNV activity and dispersal. With the changes that have taken place in recent years at a global level, new studies are needed to assess the real epidemic situation of the virus in Portugal.pt_PT
dc.description.sponsorshipTo the CERAS and CRAS-HVUTAD teams, for their help in collecting samples. To Inês Cabaça, for her help and companionship in the analyses.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationLOUREIRO, Filipa [et al.] (2024) - Serological evidence of West Nile virus in wild birds in Portugal. In XVI Jornadas de Genética e Biotecnologia / VI Jornadas Ibéricas de Genética e Biotecnologia. Vila Real, 2024 - Book of abstracts. Vila Real : UTAD. p. 133p.pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.11/9283
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectAntibodiespt_PT
dc.subjectELISApt_PT
dc.subjectSeroprevalencept_PT
dc.subjectWest Nile viruspt_PT
dc.subjectWild birdspt_PT
dc.titleSerological evidence of West Nile virus in wild birds in Portugalpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceVila Realpt_PT
oaire.citation.titleXVI Jornadas de Genética e Biotecnologia / VI Jornadas Ibéricas de Genética e Biotecnologiapt_PT
person.familyNameFernandes Loureiro
person.familyNameMatos
person.familyNameSantos Pintado
person.familyNameCardoso
person.familyNamede Matos
person.familyNameCoelho
person.givenNameFilipa Raquel
person.givenNameAna
person.givenNameCristina Maria Baptista
person.givenNameLuís
person.givenNameMaria Manuela Outeiro
person.givenNameAna
person.identifier84738
person.identifier.ciencia-id5B13-C797-7D38
person.identifier.ciencia-id2711-E07A-FE45
person.identifier.ciencia-id7F1F-E7E1-5BC6
person.identifier.ciencia-idB110-F3C5-0697
person.identifier.ciencia-id4F1E-ACFF-86CB
person.identifier.ciencia-id1E10-BF40-29C5
person.identifier.orcid0000-0002-5370-5333
person.identifier.orcid0000-0001-9709-862X
person.identifier.orcid0000-0001-5433-4258
person.identifier.orcid0000-0002-6145-7560
person.identifier.orcid0000-0002-9584-6636
person.identifier.orcid0000-0002-7196-4179
person.identifier.ridK-6664-2013
person.identifier.ridJ-8310-2013
person.identifier.ridK-4740-2013
person.identifier.scopus-author-id55626078200
person.identifier.scopus-author-id6602633775
person.identifier.scopus-author-id7006139989
person.identifier.scopus-author-id34970835100
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
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