Authorities around the world have to perform a delicate balancing act in their response to the latest pandemic threat from the swine flu outbreak originating in Mexico. The flu virus is so unpredictable and scientific knowledge about the latest strain so scarce that no one can say yet with any confidence whether a pandemic is imminent – and if so how lethal it will be. A real sense of urgency is needed to prepare health systems for the worst; yet it is essential to avoid public panic and overreaction, which could do more harm than the disease itself.
面对墨西哥猪流感爆发所带来的大规模疫情威胁，世界各国政府必须审慎把握平衡。流感病毒如此不可预测，有关最新型病毒的科学知识如此缺乏，以至于目前没有人能够下断论说，大规模疫情是否近在眼前，而且如果是的话，它会有多大的致命性。要使医疗体系准备好对付最糟糕情况，需要有真切的紧迫感，但政府也很有必要避免公众恐慌和反应过度，以免比疾病本身造成更大的损害。
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