The spread of bird flu outside of Asia, particularly in Africa and Europe, topped headlines in 2006. The migration of wild birds brought the virus to Europe, where for the first time it spread to productive livestock, bringing it closer to the Western wor

【書誌情報】

ページ数：22ページ

サイズ：A4

商品番号：HBSP-KEL349

発行日：2007/1/1

登録日：2008/10/3