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30年来,世界上出现了40余种过去从未认识的传染病,有效预防和控制新现传染病已经成为国际社会面临的共同任务。
Over the past 30 years, more than 40 kinds of infectious diseases that the world has never seen before have appeared. Effective prevention and control of newly emerging infectious diseases have become a common task facing the international community.