Transmission of Influenza A Virus in Pigs
Identifieur interne : 001C34 ( Main/Exploration ); précédent : 001C33; suivant : 001C35Transmission of Influenza A Virus in Pigs
Auteurs : M. Torremorell [États-Unis] ; M. Allerson [États-Unis] ; C. Corzo [États-Unis] ; A. Diaz [États-Unis] ; M. Gramer [États-Unis]Source :
- Transboundary and Emerging Diseases [ 1865-1674 ] ; 2012-03.
English descriptors
- Teeft :
- Aerosol transmission, Airborne infections, Avian, Avian species, Avian virus, Avian viruses, Basic reproduction ratio, Blackwell, Blackwell verlag gmbh transboundary, Blood samples, Carrier pigs, Choi, Classical swine, Clin, Clinical signs, Commercial swine farm, Control measures, Current understanding, Czech republic, Data analysis, Different surfaces, Direct contact, Disease control, Dissemination, Effective control strategies, Emerg, Endemic, Endemic viruses, Epithelial cells, Eurasian swine lineage viruses, European countries, Experimental infection, Further study, Gene segments, Genetic characteristics, Genetic reassortment, Gmbh, Gramer, Guan, Herd closure, Herd level, Hong kong, Human infections, Human origin, Human species, Human viruses, Important role, Important route, Infection, Initial description, Interspecies transmission, Karasin, Kawaoka, Koch, Large role, Limited transmission, Lineage, Loeffen, Long distance, Microbiol, Mmwr morb, Molecular characteristics, Mycoplasma hyopneumoniae, Nasal swabs, Natural infection, Nishing, Nishing herds, Nishing period, Nishing pigs, Olsen, Other hand, Other respi, Other species, Outbreak, Pandemic, Pandemic virus, Peiris, Pig, Plos pathog, Poljak, Population dynamics, Population level, Positive samples, Poultry farm, Reassortant, Reassortant viruses, Reassortment, Reassortment events, Recent study, Recent work, Receptor, Reeth, Relative humidity, Replication, Reproduction ratio, Respi, Respiratory disease, Respiratory syndrome virus, Respiratory tract, Risk factors, Serologic, Serologic evidence, Serologic surveillance, Serological evidence, Seroprevalence, Seroprevalence study, Serum samples, Shope, Similar results, Southern china, Spatial dissemination, Subtypes, Suppl, Support replication, Surveillance programs, Susceptible pigs, Swine, Swine health, Swine herds, Swine lungworm, Swine pathogens, Swine population, Swine virus, Swine virus infection, Swine virus infections, Swine viruses, Swine workers, Torremorell, Total number, Transboundary, Transmissibility, Transmission, Transmission dynamics, Transmission events, Transmission experiments, Transmission parameters, Transmission routes, Turkey breeder hens, Typical virus infections, Understanding transmission, Unpublished results, Vaccinated, Vaccinated pigs, Vaccination, Vaccine, Verlag, Veterinary medicine, Veterinary population medicine, Viral, Viral dissemination, Viral infection, Virol, Virus, Virus dissemination, Virus genes, Virus infection, Virus infections, Virus isolation, Virus replicates, Virus spread, Virus transmission, Water temperature, Webby, Widespread distribution, Wild pigs, World health organ, Zoonotic.
Abstract
Influenza A virus infections cause respiratory disease in pigs and are a risk to public health. The pig plays an important role in influenza ecology because of its ability to support replication of influenza viruses from avian, swine and human species. Influenza A virus is widespread in pigs worldwide, and influenza A virus interspecies transmission has been documented in many events. Influenza A virus is mostly transmitted through direct pig‐to‐pig contact and aerosols although other indirect routes of transmission may also exist. Several factors contribute to differences in the transmission dynamics within populations including among others vaccination, pig flow, animal movement and animal introduction which highlights the complexity of influenza A transmission in pigs. In addition, pigs can serve as a reservoir of influenza A viruses for other pigs and other species and understanding mechanisms of transmission within pigs and from pigs to other species and vice versa is crucial. In this paper, we review the current understanding of influenza virus transmission in pigs. We highlight the ubiquity of influenza A virus in the pig population and the widespread distribution of pandemic H1N1 virus worldwide while emphasizing an understanding of the routes of transmission and factors that contribute to virus spread and dissemination within and between pig populations. In addition, we describe transmission events between pigs and other species including people. Understanding transmission is crucial for designing effective control strategies and for making well‐informed recommendations for surveillance.
Url:
DOI: 10.1111/j.1865-1682.2011.01300.x
Affiliations:
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when="2012-03">2012-03</date></imprint><idno type="ISSN">1865-1674</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1865-1674</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="Teeft" xml:lang="en"><term>Aerosol transmission</term><term>Airborne infections</term><term>Avian</term><term>Avian species</term><term>Avian virus</term><term>Avian viruses</term><term>Basic reproduction ratio</term><term>Blackwell</term><term>Blackwell verlag gmbh transboundary</term><term>Blood samples</term><term>Carrier pigs</term><term>Choi</term><term>Classical swine</term><term>Clin</term><term>Clinical signs</term><term>Commercial swine farm</term><term>Control measures</term><term>Current understanding</term><term>Czech republic</term><term>Data analysis</term><term>Different surfaces</term><term>Direct contact</term><term>Disease control</term><term>Dissemination</term><term>Effective control strategies</term><term>Emerg</term><term>Endemic</term><term>Endemic viruses</term><term>Epithelial cells</term><term>Eurasian swine lineage viruses</term><term>European countries</term><term>Experimental infection</term><term>Further study</term><term>Gene segments</term><term>Genetic characteristics</term><term>Genetic reassortment</term><term>Gmbh</term><term>Gramer</term><term>Guan</term><term>Herd closure</term><term>Herd level</term><term>Hong kong</term><term>Human infections</term><term>Human origin</term><term>Human species</term><term>Human viruses</term><term>Important role</term><term>Important route</term><term>Infection</term><term>Initial description</term><term>Interspecies transmission</term><term>Karasin</term><term>Kawaoka</term><term>Koch</term><term>Large role</term><term>Limited transmission</term><term>Lineage</term><term>Loeffen</term><term>Long distance</term><term>Microbiol</term><term>Mmwr morb</term><term>Molecular characteristics</term><term>Mycoplasma hyopneumoniae</term><term>Nasal swabs</term><term>Natural infection</term><term>Nishing</term><term>Nishing herds</term><term>Nishing period</term><term>Nishing pigs</term><term>Olsen</term><term>Other hand</term><term>Other respi</term><term>Other species</term><term>Outbreak</term><term>Pandemic</term><term>Pandemic virus</term><term>Peiris</term><term>Pig</term><term>Plos pathog</term><term>Poljak</term><term>Population dynamics</term><term>Population level</term><term>Positive samples</term><term>Poultry farm</term><term>Reassortant</term><term>Reassortant viruses</term><term>Reassortment</term><term>Reassortment events</term><term>Recent study</term><term>Recent work</term><term>Receptor</term><term>Reeth</term><term>Relative humidity</term><term>Replication</term><term>Reproduction ratio</term><term>Respi</term><term>Respiratory disease</term><term>Respiratory syndrome virus</term><term>Respiratory tract</term><term>Risk factors</term><term>Serologic</term><term>Serologic evidence</term><term>Serologic surveillance</term><term>Serological evidence</term><term>Seroprevalence</term><term>Seroprevalence study</term><term>Serum samples</term><term>Shope</term><term>Similar results</term><term>Southern china</term><term>Spatial dissemination</term><term>Subtypes</term><term>Suppl</term><term>Support replication</term><term>Surveillance programs</term><term>Susceptible pigs</term><term>Swine</term><term>Swine health</term><term>Swine herds</term><term>Swine lungworm</term><term>Swine pathogens</term><term>Swine population</term><term>Swine virus</term><term>Swine virus infection</term><term>Swine virus infections</term><term>Swine viruses</term><term>Swine workers</term><term>Torremorell</term><term>Total number</term><term>Transboundary</term><term>Transmissibility</term><term>Transmission</term><term>Transmission dynamics</term><term>Transmission events</term><term>Transmission experiments</term><term>Transmission parameters</term><term>Transmission routes</term><term>Turkey breeder hens</term><term>Typical virus infections</term><term>Understanding transmission</term><term>Unpublished results</term><term>Vaccinated</term><term>Vaccinated pigs</term><term>Vaccination</term><term>Vaccine</term><term>Verlag</term><term>Veterinary medicine</term><term>Veterinary population medicine</term><term>Viral</term><term>Viral dissemination</term><term>Viral infection</term><term>Virol</term><term>Virus</term><term>Virus dissemination</term><term>Virus genes</term><term>Virus infection</term><term>Virus infections</term><term>Virus isolation</term><term>Virus replicates</term><term>Virus spread</term><term>Virus transmission</term><term>Water temperature</term><term>Webby</term><term>Widespread distribution</term><term>Wild pigs</term><term>World health organ</term><term>Zoonotic</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Influenza A virus infections cause respiratory disease in pigs and are a risk to public health. The pig plays an important role in influenza ecology because of its ability to support replication of influenza viruses from avian, swine and human species. Influenza A virus is widespread in pigs worldwide, and influenza A virus interspecies transmission has been documented in many events. Influenza A virus is mostly transmitted through direct pig‐to‐pig contact and aerosols although other indirect routes of transmission may also exist. Several factors contribute to differences in the transmission dynamics within populations including among others vaccination, pig flow, animal movement and animal introduction which highlights the complexity of influenza A transmission in pigs. In addition, pigs can serve as a reservoir of influenza A viruses for other pigs and other species and understanding mechanisms of transmission within pigs and from pigs to other species and vice versa is crucial. In this paper, we review the current understanding of influenza virus transmission in pigs. We highlight the ubiquity of influenza A virus in the pig population and the widespread distribution of pandemic H1N1 virus worldwide while emphasizing an understanding of the routes of transmission and factors that contribute to virus spread and dissemination within and between pig populations. In addition, we describe transmission events between pigs and other species including people. Understanding transmission is crucial for designing effective control strategies and for making well‐informed recommendations for surveillance.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Minnesota</li></region></list><tree><country name="États-Unis"><region name="Minnesota"><name sortKey="Torremorell, M" sort="Torremorell, M" uniqKey="Torremorell M" first="M." last="Torremorell">M. Torremorell</name></region><name sortKey="Allerson, M" sort="Allerson, M" uniqKey="Allerson M" first="M." last="Allerson">M. Allerson</name><name sortKey="Corzo, C" sort="Corzo, C" uniqKey="Corzo C" first="C." last="Corzo">C. Corzo</name><name sortKey="Diaz, A" sort="Diaz, A" uniqKey="Diaz A" first="A." last="Diaz">A. Diaz</name><name sortKey="Gramer, M" sort="Gramer, M" uniqKey="Gramer M" first="M." last="Gramer">M. Gramer</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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