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Crimean-Congo hemorrhagic fever virus circulating among sheep of Portugal: a nationwide serosurvey assessment

2022-07-22Journal article Restricted access
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dc.contributor.authorMesquita, João
dc.contributor.authorCruz, Rita
dc.contributor.authorEsteves, Fernando
dc.contributor.authorSantos, Carla
dc.contributor.authorPousa, Humberto
dc.contributor.authorCoelho, Catarina
dc.contributor.authorMega, Cristina
dc.contributor.authorNóbrega, Carmen
dc.contributor.authorVala, Helena
dc.contributor.authorPeyrefitte, Christophe Nicolas
dc.contributor.authorNascimento, Maria São José
dc.contributor.authorBarradas, Patrícia Ferreira
dc.date.accessioned2023-01-13T15:37:25Z
dc.date.available2023-01-13T15:37:25Z
dc.date.issued2022-07-22
dc.description.abstractCrimean-Congo hemorrhagic fever virus (CCHFV) is a widespread zoonotic pathogen that can cause mild to severe hemorrhagic disease in humans. CCHFV may be transmitted through direct contact with tissue or blood of viremic animals; however, the primary transmission route is through infected tick bites. CCHFV RNA has been detected in ticks feeding on domestic and wild animals in western Spain, suggesting an established circulation of CCHFV in Western Europe. Ruminants have been recognized as important CCHFV reservoirs and have been linked to human cases in endemic regions. Given the emergence of CCHF in neighboring Spain, and a report of two CCHFV seropositive humans in southern Portugal in 1985, we investigated the potential circulation of this virus in the country by performing a nationwide anti-CCHFV IgG serosurvey in sentinel sheep of Portugal. Sera (n = 459) randomly selected from widely distributed farms (n = 20) of Portugal were tested using a commercial double-antigen enzyme-linked immunosorbent assay, yielding an overall seroprevalence of 0.4% (95% confidence interval [CI] 0.04-1.56%). Positive sheep were from the southern region of Portugal (Alentejo region), which raise the seroprevalence of this region to 0.74% (95% CI 0.09-2.66%). This is the first study reporting the presence of CCHFV antibodies in sheep of Portugal, thus suggesting a geographical expansion of CCHFV to this country. It seems likely that CCHFV may exist focally in southern Portugal.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMesquita JR, Cruz R, Esteves F, Santos C, Pousa H, Coelho C, Mega AC, Nóbrega C, Vala H, Peyrefitte CN, Nascimento MSJ, Barradas PF. (2022). Crimean-Congo hemorrhagic fever virus circulating among sheep of Portugal: a nationwide serosurvey assessment. Troprical Animal Health and Production, 54(4):237. doi: 10.1007/s11250-022-03238-z.pt_PT
dc.identifier.doidoi: 10.1007/s11250-022-03238-zpt_PT
dc.identifier.urihttp://hdl.handle.net/10400.19/7552
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSringerpt_PT
dc.subjectCrimean-Congo hemorrhagic fever viruspt_PT
dc.subjectELISApt_PT
dc.subjectSheeppt_PT
dc.titleCrimean-Congo hemorrhagic fever virus circulating among sheep of Portugal: a nationwide serosurvey assessmentpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue4pt_PT
oaire.citation.titleTropical Animal Health and Productionpt_PT
oaire.citation.volume54pt_PT
person.familyNameMesquita
person.familyNameCruz
person.familyNameEsteves
person.familyNameCoelho
person.familyNameMega
person.familyNameNóbrega
person.familyNameVala Correia
person.givenNameJoão
person.givenNameRita
person.givenNameFernando
person.givenNameCatarina
person.givenNameCristina
person.givenNameCarmen
person.givenNameHelena Maria
person.identifierB-6960-2016
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person.identifier.ciencia-idA11E-DBFF-16E8
person.identifier.ciencia-id6E19-A3CC-897E
person.identifier.ciencia-id0E10-D744-A71E
person.identifier.ciencia-idD51F-A1CF-C925
person.identifier.ciencia-id7A1E-E85E-FFA4
person.identifier.orcid0000-0001-8769-8103
person.identifier.orcid0000-0002-5767-7835
person.identifier.orcid0000-0003-0589-0746
person.identifier.orcid0000-0002-5272-7303
person.identifier.orcid0000-0002-9913-875X
person.identifier.orcid0000-0003-3941-799X
person.identifier.orcid0000-0001-6829-4867
person.identifier.scopus-author-id35345458100
person.identifier.scopus-author-id56079061700
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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