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2009年3月底,墨西哥流感样疾病(ILI)病例异常增加,2009年4月17~28日期间,共报道1 551例严重肺炎流感疑似病例(其中7例确诊死亡病例)[1],随后与之毗邻的美国也相继出现类似病例。2009年4月25日,世界卫生组织(WHO)宣布本次疫情为国际关注的突发公共卫生事件(PHEIC)[2],并于4月30?
In late March 2009, cases of influenza-like illness (ILI) in Mexico were abnormally increased. A total of 1 551 suspected cases of severe pneumonia (including 7 confirmed deaths) were reported from April 17-28, 2009 [1] Adjacent to the United States also have similar cases. On April 25, 2009, the World Health Organization (WHO) announced that the outbreak was a public health emergencies of international concern (PHEIC) [2] and on April 30?