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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/1675
Title: Satellite tracking on the flyways of brown-headed gulls and their potential role in the spread of highly pathogenic avian influenza H5N1 virus.
Authors: Parntep Ratanakorn
Anuwat Wiratsudakul
Witthawat Wiriyarat
Krairat Eiamampai
Farmer, Adrian H.
Webster, Robert G.
Kridsada Chaichoune
Sarin Suwanpakdee
Duangrat Pothieng
Pilaipan Puthavathana
Mahidol University. Faculty of Veterinary Science.
Mahidol University. Faculty of Medicine Siriraj Hospital. Department of Microbiology.
Keywords: satellite;flyways;brown-headed gulls;H5N1;virus;influenza;pathogenic;Open Access article
Issue Date: 28-Nov-2012
Citation: PloS one. Vol.7, No.11 (Nov 2012), e49939
Abstract: Brown-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 paninfluenza 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.
URI: http://repository.li.mahidol.ac.th/dspace/handle/123456789/1675
metadata.dc.identifier.url: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3509151/
ISSN: 1932-6203
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