On May 2005, thousands of wild geese died of H5N1 at Qinghai Lake in China. A smaller outbreak in migrant geese and swans followed in Mongolia. Then, in late July, the disease cropped up in poultry near Novosibirsk in Siberia, before moving west to five more regions in Russia and to Kazakhstan by August, Romania and Turkey in October, and Ukraine in December. Here, a dispute over H5N1 bird flu virus that has crossed Asia on the wings of migrating wild birds is discussed.
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