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dc.contributor.authorParntep Ratanakornen_US
dc.contributor.authorAnuwat Wiratsudakulen_US
dc.contributor.authorWitthawat Wiriyaraten_US
dc.contributor.authorKrairat Eiamampaien_US
dc.contributor.authorAdrian H. Farmeren_US
dc.contributor.authorRobert G. Websteren_US
dc.contributor.authorKridsada Chaichouneen_US
dc.contributor.authorSarin Suwanpakdeeen_US
dc.contributor.authorDuangrat Pothiengen_US
dc.contributor.authorPilaipan Puthavathanaen_US
dc.contributor.otherMahidol Universityen_US
dc.contributor.otherNational Park, Wildlife and Plant Conservation Department, Thailanden_US
dc.contributor.otherWild Ecological Solutionsen_US
dc.contributor.otherSt. Jude Children Research Hospitalen_US
dc.identifier.citationPLoS ONE. Vol.7, No.11 (2012)en_US
dc.description.abstractBrown-headed gulls (Larus brunnicephalus), winter visitors of Thailand, were tracked by satellite telemetry during 2008-2011 for investigating their roles in the highly pathogenic avian influenza (HPAI) H5N1 virus spread. Eight gulls negative for influenza virus infection were marked with solar-powered satellite platform transmitters at Bang Poo study site in Samut Prakarn province, Thailand; their movements were monitored by the Argos satellite tracking system, and locations were mapped. Five gulls completed their migratory cycles, which spanned 7 countries (China, Bangladesh, India, Myanmar, Thailand, Cambodia, and Vietnam) affected by the HPAI H5N1 virus. Gulls migrated from their breeding grounds in China to stay overwinter in Thailand and Cambodia; while Bangladesh, India, Myanmar, and Vietnam were the places of stopovers during migration. Gulls traveled an average distance of about 2400 km between Thailand and China and spent 1-2 weeks on migration. Although AI surveillance among gulls was conducted at the study site, no AI virus was isolated and no H5N1 viral genome or specific antibody was detected in the 75 gulls tested, but 6.6% of blood samples were positive for pan-influenza A antibody. No AI outbreaks were reported in areas along flyways of gulls in Thailand during the study period. Distance and duration of migration, tolerability of the captive gulls to survive the HPAI H5N1 virus challenge and days at viral shedding after the virus challenging suggested that the Brown-headed gull could be a potential species for AI spread, especially among Southeast Asian countries, the epicenter of H5N1 AI outbreak. © 2012 Ratanakorn et al.en_US
dc.rightsMahidol Universityen_US
dc.subjectAgricultural and Biological Sciencesen_US
dc.subjectBiochemistry, Genetics and Molecular Biologyen_US
dc.titleSatellite Tracking on the Flyways of Brown-Headed Gulls and Their Potential Role in the Spread of Highly Pathogenic Avian Influenza H5N1 Virusen_US
Appears in Collections:Scopus 2011-2015

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