Bird ‘flu follows trade, not migration routes

Globalisation has turned the chicken into the world’s number one migratory bird species.

“A comprehensive critical review of recent scientific literature on the spread of Highly Pathogenic Avian Influenza H5N, published in the British Ornithologists Union journal Ibis [Recent expansion of highly pathogenic avian influenza H5N1: a critical review M. GAUTHIER-CLERC, C. LEBARBENCHON & F. THOMAS. Ibis (2007)], concludes that poultry trade, rather than bird migration, is the main mechanism of global dispersal of the virus.” from: BirdLife International, news 29-03-2007, full text at:
http://www.birdlife.org/news/news/2007/03/avian_flu_report.html