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Prevalence and risk factors for hepatitis E virus in wild boar and red deer in Portugal

2023Journal article Open access
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dc.contributor.authorPires, Humberto
dc.contributor.authorCardoso, Luís
dc.contributor.authorLopes, Ana Patrícia
dc.contributor.authorFontes, Maria da Conceição
dc.contributor.authorSilva, Sérgio Santos
dc.contributor.authorMatos, Manuela
dc.contributor.authorPintado, Cristina Santos
dc.contributor.authorFigueira, Luís
dc.contributor.authorMatos, Ana Cristina
dc.contributor.authorMesquita, João Rodrigo
dc.contributor.authorCoelho, Ana Cláudia
dc.date.accessioned2023-12-19T15:46:45Z
dc.date.available2023-12-19T15:46:45Z
dc.date.issued2023
dc.description.abstractHepatitis E virus (HEV) is a zoonotic foodborne virus with an annual infection prevalence of 20 million human cases, which seriously affects public health and economic development in both developed and developing countries. To better understand the epidemiology of HEV in Central Portugal, a cross-sectional study was conducted from 2016 to 2023 with sera samples from wild ungulates. The seroprevalence and risk factors for HEV seropositivity were evaluated in the present study. Specifically, antibodies against HEV were determined by a commercial enzyme-linked immunesorbent assay (ELISA). Our results show that in the 650 sera samples collected from 298 wild red deer and 352 wild boars in Portugal, 9.1% red deer and 1.7% wild boar were positive for antibodies to HEV. Regarding age, the seropositivity in juvenile wild ungulates was 1.3%, whereas it was 7.2% in adults. Logistic regression models investigated risk factors for seropositivity. The odds of being seropositive was 3.6 times higher in adults than in juveniles, and the risk was 4.2 times higher in red deer than in wild boar. Both wild ungulate species were exposed to HEV. The higher seroprevalence in red deer suggests that this species may make a major contribution to the ecology of HEV in Central Portugal. Further research is needed to understand how wildlife affects the epidemiology of HEV infections in Portugal.pt_PT
dc.description.sponsorship: This research was funded by projects UIDP/00772/2020 and LA/P/0059/2020, funded by the Portuguese Foundation for Science and Technology (FCT). Sérgio Santos-Silva would like to thank Fundação para a Ciência e a Tecnologia (FCT) for the financial support of his Ph.D. work under the scholarship 2021.09461.BD contract through the Maria de Sousa-2021 program.
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationPIRES, H. [et al.] 82023) - Prevalence and risk factors for hepatitis E virus in wild boar and red deer in Portugal. Microorganisms. 11:10, E2576. DOI: https://doi.org/10.3390/microorganisms11102576pt_PT
dc.identifier.doi10.3390/microorganisms11102576pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.11/8743
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectELISApt_PT
dc.subjectHepatitis E viruspt_PT
dc.subjectPortugalpt_PT
dc.subjectRed deerpt_PT
dc.subjectRisk factorspt_PT
dc.subjectWild boarpt_PT
dc.titlePrevalence and risk factors for hepatitis E virus in wild boar and red deer in Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue10pt_PT
oaire.citation.startPage2576pt_PT
oaire.citation.titleMicroorganismspt_PT
oaire.citation.volume11pt_PT
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rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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