Asymptomatic infection with highly pathogenic avian influenza H5N1 in wild birds: how sound is the evidence?

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dc.contributor.authorFeare, Chris J
dc.contributor.authorYasué, Maï
dc.date.accessioned2014-08-18T21:52:22Z
dc.date.available2014-08-18T21:52:22Z
dc.date.copyright2006en_US
dc.date.issued2006-11-17
dc.descriptionBioMed Centralen_US
dc.description.abstractBackground: Widespread deaths of wild birds from which highly pathogenic avian influenza virus H5N1 has been isolated suggest that the virus continues to be lethal to them. However, asymptomatic carriage by some wild birds could allow birds to spread the virus on migration. Confirmation of such carriage is therefore important for the design of mitigation measures for the disease in poultry. Discussion: Two recent papers have reported the isolation of H5N1 from a small number of water birds in China and Russia and have concluded that wild birds can spread the viruses over long distances on migration. However, both papers contain weaknesses in the provision of ornithological and associated data that compromise conclusions that can be reached about the role of wild birds in the spread of H5N1. We describe the weaknesses of these studies and highlight the need for improved methodological description and methodology, where appropriate, and further research. Summary: A rigorous assessment of whether wild birds can carry H5N1 asymptomatically is critical to evaluating the risks of spread by migratory birds on long-distance migration.en_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.description.sponsorshipWe also thank BirdLife International for supporting this investigation and the Royal Society for the Protection of Birds for providing the funding.en_US
dc.identifier.citationFeare and Yasué. Asymptomatic infection with highly pathogenic avian influenza H5N1 in wild birds. Virology Journal 2006, 3 :96en_US
dc.identifier.urihttp://www.virologyj.com/content/3/1/96
dc.identifier.urihttp://dx.doi.org/10.1186/1743-422X-3-96
dc.identifier.urihttp://hdl.handle.net/1828/5573
dc.language.isoenen_US
dc.publisherBioMed Centralen_US
dc.subject.departmentDepartment of Geography
dc.titleAsymptomatic infection with highly pathogenic avian influenza H5N1 in wild birds: how sound is the evidence?en_US
dc.typeArticleen_US

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