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2009年甲型H1N1流感疫情在全球范围内快速蔓延,严重威胁人类健康和生命,影响社会经济稳定。世卫组织公布的数据显示,截至2009年10月
Influenza A (H1N1) outbreak spread rapidly around the world in 2009, which poses a serious threat to human health and life and affects the social and economic stability. Data released by WHO show that as of October 2009