Avian Influenza H5N1 and the Wild Bird Trade in Hanoi, Vietnam
F. Brooks-Moizer, University of East Anglia
Scott I Roberton, Wildlife Conservation Society
Kelly Edmunds, University of East Anglia
Diana Bell, University of East Anglia
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Wildlife trade and emerging infectious diseases pose significant threats to human and animal health and global biodiversity. Legal and illegal trade in domestic and wild birds has played a significant role in the global spread of highly pathogenic avian influenza H5N1, which has killed more than 240 people, many millions of poultry, and an unknown number of wild birds and mammals, including endangered species, since 2003. This 2007 study provides evidence for a significant decline in the scale of the wild bird trade in Hanoi since previous surveys in 2000 (39.7% decline) and 2003 (74.1% decline). We attribute this to the enforcement of Vietnamís Law 169/2005/QD UBND, introduced in 2005, which prohibits the movement and sale of wild and ornamental birds in cities. Nevertheless, 91.3% (21/23) of bird vendors perceived no risk of H5N1 infection from their birds, and the trade continues, albeit at reduced levels, in open market shops. These findings highlight the importance of continued law enforcement to maintain this trade reduction and the associated benefits to human and animal health and biodiversity conservation.
avian influenza H5N1; wild bird trade; Vietnam; avian conservation; legislation
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