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dc.contributorVirginia Techen
dc.contributor.authorCooper, K.en
dc.contributor.authorHuang, Fang-Fangen
dc.contributor.authorBatista, L.en
dc.contributor.authorRayo, C. D.en
dc.contributor.authorBezanilla, J. C.en
dc.contributor.authorToth, Thomas E.en
dc.contributor.authorMeng, Xiang-Jinen
dc.date.accessioned2015-11-29T04:13:25Zen
dc.date.available2015-11-29T04:13:25Zen
dc.date.issued2005-04en
dc.identifier.citationCooper, K. et al. (2005). Identification of genotype 3 hepatitis E virus (HEV) in serum and fecal samples from pigs in Thailand and Mexico, where genotype 1 and 2 HEV strains are prevalent in the respective human populations. Journal of Clinical Microbiology, 43(4), 1684-1688. doi:10.1128/jcm.43.4.1684-1688.2005en
dc.identifier.issn0095-1137en
dc.identifier.urihttp://hdl.handle.net/10919/64219en
dc.description.abstractHepatitis E virus (HEV), the causative agent of hepatitis E, is an important public health concern in many developing countries. Increasing evidence indicates that hepatitis E is a zoonotic disease. There exist four major genotypes of REV, and HEV isolates identified in samples from pigs belong to either genotype 3 or 4. Genotype 1 and 2 HEVs are found exclusively in humans. To determine whether genotype 1 and 2 HEVs also exist in pigs, a universal reverse transcription-PCR assay that is capable of detecting all four REV genotypes was used to test for the presence of REV RNA in serum and/or fecal samples from pigs in Thailand, where genotype 1 human REV is prevalent, and from pigs in Mexico, where genotype 2 human REV was epidemic. In Thailand, swine REV RNA was detected in sera from 10/26 pigs of 2 to 4 months of age but not in sera from 50 pigs of other ages. In Mexico, swine HEV RNA was detected in 8/125 sera and 28/92 fecal samples from 2-to 4-month-old pigs. Antibodies to swine REV were also detected in about 81% of the Mexican pigs. A total of 44 swine REV isolates were sequenced for the open reading frame 2 gene region. Sequence analyses revealed that all swine REV isolates identified in samples from pigs in Thailand and Mexico belong to genotype 3. Phylogenetic analyses revealed that minor branches associated with geographic origin exist among the swine REV isolates. The results indicated that genotype 1 or 2 swine HEV does not exist in pigs from countries where the respective human REV genotype I or 2 is prevalent. It is likely that only genotype 3 and 4 REV strains have zoonotic potential.en
dc.description.sponsorshipNational Institutes of Healthen
dc.description.sponsorshipAI01653en
dc.description.sponsorshipAI46505en
dc.description.sponsorshipAI50611en
dc.description.sponsorshipU.S. Department of Agricultureen
dc.description.sponsorshipNRI2002-35204-12531en
dc.format.mimetypeapplication/pdfen
dc.language.isoen_USen
dc.publisherAmerican Society for Microbiologyen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.titleIdentification of genotype 3 hepatitis E virus (HEV) in serum and fecal samples from pigs in Thailand and Mexico, where genotype 1 and 2 HEV strains are prevalent in the respective human populationsen
dc.typeArticle - Refereeden
dc.rights.holderAmerican Society for Microbiologyen
dc.contributor.departmentVirginia-Maryland Regional College of Veterinary Medicine. Department of Biomedical Sciences and Pathobiology. Center for Molecular Medicine and Infectious Diseasesen
dc.identifier.urlhttp://jcm.asm.org/content/43/4/1684en
dc.date.accessed2015-11-28en
dc.title.serialJournal of Clinical Microbiologyen
dc.identifier.doihttps://doi.org/10.1128/jcm.43.4.1684-1688.2005en
dc.type.dcmitypeTexten


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