Article: Novel reassortment of Eurasian avian-like and pandemic/2009 influenza viruses in swine: Infectious potential for humans

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TitleNovel reassortment of Eurasian avian-like and pandemic/2009 influenza viruses in swine: Infectious potential for humans
AuthorsZhu, H
Zhou, B
Fan, X
Lam, TTY
Wang, J
Chen, A
Chen, X
Chen, H
Webster, RG
Webby, R
Peiris, JSM
Smith, DK
Guan, Y
Issue Date2011
PublisherAmerican Society for Microbiology. The Journal's web site is located at http://jvi.asm.org/
CitationJournal Of Virology, 2011, v. 85 n. 20, p. 10432-10439 [How to Cite?]
DOI: http://dx.doi.org/10.1128/JVI.05352-11
AbstractPigs are considered to be intermediate hosts and "mixing vessels," facilitating the genesis of pandemic influenza viruses, as demonstrated by the emergence of the 2009 H1N1 pandemic (pdm/09) virus. The prevalence and repeated introduction of the pdm/09 virus into pigs raises the possibility of generating novel swine influenza viruses with the potential to infect humans. To address this, an active influenza surveillance program was conducted with slaughtered pigs in abattoirs in southern China. Over 50% of the pigs tested were found to be seropositive for one or more H1 influenza viruses, most commonly pdm/09-like viruses. Out of 36 virus isolates detected, one group of novel reassortants had Eurasian avian-like swine H1N1 surface genes and pdm/09 internal genes. Animal experiments showed that this virus transmitted effectively from pig to pig and from pig to ferret, and it could also replicate in ex vivo human lung tissue. Immunization against the 2009 pandemic virus gave only partial protection to ferrets. The continuing prevalence of the pdm/09 virus in pigs could lead to the genesis of novel swine reassortant viruses with the potential to infect humans. © 2011, American Society for Microbiology.
ISSN0022-538X
2011 Impact Factor: 5.402
2011 SCImago Journal Rankings: 0.745
DOIhttp://dx.doi.org/10.1128/JVI.05352-11
ISI Accession Number IDWOS:000296254100001
Funding AgencyGrant Number
National Institutes of Health (National Institute of Allergy and Infectious Diseases)HSN266200700005C
Li Ka Shing Foundation
University Grants Committee of the Hong Kong SARAoE/M-12/06
Funding Information:

This work was supported by the National Institutes of Health (National Institute of Allergy and Infectious Diseases contract HSN266200700005C), the Li Ka Shing Foundation, and the Area of Excellence Scheme of the University Grants Committee of the Hong Kong SAR (grant AoE/M-12/06).

PubMed Central IDPMC3187487
ReferencesReferences in Scopus
GrantsControl of Pandemic and Inter-pandemic Influenza
DC Field
Value
dc.contributor.authorZhu, H
dc.contributor.authorZhou, B
dc.contributor.authorFan, X
dc.contributor.authorLam, TTY
dc.contributor.authorWang, J
dc.contributor.authorChen, A
dc.contributor.authorChen, X
dc.contributor.authorChen, H
dc.contributor.authorWebster, RG
dc.contributor.authorWebby, R
dc.contributor.authorPeiris, JSM
dc.contributor.authorSmith, DK
dc.contributor.authorGuan, Y
dc.date.accessioned2012-08-08T08:51:57Z
dc.date.available2012-08-08T08:51:57Z
dc.date.issued2011
dc.description.abstractPigs are considered to be intermediate hosts and "mixing vessels," facilitating the genesis of pandemic influenza viruses, as demonstrated by the emergence of the 2009 H1N1 pandemic (pdm/09) virus. The prevalence and repeated introduction of the pdm/09 virus into pigs raises the possibility of generating novel swine influenza viruses with the potential to infect humans. To address this, an active influenza surveillance program was conducted with slaughtered pigs in abattoirs in southern China. Over 50% of the pigs tested were found to be seropositive for one or more H1 influenza viruses, most commonly pdm/09-like viruses. Out of 36 virus isolates detected, one group of novel reassortants had Eurasian avian-like swine H1N1 surface genes and pdm/09 internal genes. Animal experiments showed that this virus transmitted effectively from pig to pig and from pig to ferret, and it could also replicate in ex vivo human lung tissue. Immunization against the 2009 pandemic virus gave only partial protection to ferrets. The continuing prevalence of the pdm/09 virus in pigs could lead to the genesis of novel swine reassortant viruses with the potential to infect humans. © 2011, American Society for Microbiology.
dc.description.grantControl of Pandemic and Inter-pandemic Influenza
dc.description.grantcode97655
dc.description.naturelink_to_OA_fulltext
dc.identifier.citationJournal Of Virology, 2011, v. 85 n. 20, p. 10432-10439 [How to Cite?]
DOI: http://dx.doi.org/10.1128/JVI.05352-11
dc.identifier.doihttp://dx.doi.org/10.1128/JVI.05352-11
dc.identifier.epage10439
dc.identifier.hkuros203150
dc.identifier.isiWOS:000296254100001
Funding AgencyGrant Number
National Institutes of Health (National Institute of Allergy and Infectious Diseases)HSN266200700005C
Li Ka Shing Foundation
University Grants Committee of the Hong Kong SARAoE/M-12/06
Funding Information:

This work was supported by the National Institutes of Health (National Institute of Allergy and Infectious Diseases contract HSN266200700005C), the Li Ka Shing Foundation, and the Area of Excellence Scheme of the University Grants Committee of the Hong Kong SAR (grant AoE/M-12/06).

dc.identifier.issn0022-538X
2011 Impact Factor: 5.402
2011 SCImago Journal Rankings: 0.745
dc.identifier.issue20
dc.identifier.pmcidPMC3187487
dc.identifier.pmid21849442
dc.identifier.scopuseid_2-s2.0-80054981148
dc.identifier.spage10432
dc.identifier.urihttp://hdl.handle.net/10722/157651
dc.identifier.volume85
dc.languageeng
dc.publisherAmerican Society for Microbiology. The Journal's web site is located at http://jvi.asm.org/
dc.publisher.placeUnited States
dc.relation.ispartofJournal of Virology
dc.relation.referencesReferences in Scopus
dc.rightsJournal of Virology. Copyright © American Society for Microbiology.
dc.rightsCopyright © American Society for Microbiology, [Journal of Virology, 2011, v. 85 n. 20, p. 10432-10439]
dc.subject.meshInfluenza A virus - classification - genetics - isolation and purification - pathogenicity
dc.subject.meshOrthomyxoviridae Infections - transmission - virology
dc.subject.meshRNA, Viral - genetics
dc.subject.meshReassortant Viruses - classification - genetics - isolation and purification - pathogenicity
dc.subject.meshSwine - virology
dc.titleNovel reassortment of Eurasian avian-like and pandemic/2009 influenza viruses in swine: Infectious potential for humans
dc.typeArticle
Author Affiliations
  1. The University of Hong Kong Li Ka Shing Faculty of Medicine
  2. The University of Hong Kong
  3. Shantou University, Medical College (SUMC)
  4. Guangxi Medical University
  5. Wuxi Sangosho Pet Park Co. Ltd.
  6. St. Jude Children's Research Hospital