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随着生物科技不断进步和对传染病的有效控制,从20世纪50年代以来出现了人类健康状况的一些转变。主要表现为全球范围内平均期望寿命大幅度提高,疾病谱和死因诺从早先的以传染性疾病为主转向当前的以慢性非传染性疾病为主,导致一些专家认为传染病将不再是威胁人类健康的主要因素。一些国家逐渐放松了对传染病的预防和控制。在一些人思想上似乎传染病即将“退出历史舞台”。然而事实表明,人类对此远不能乐观。
With the advances in biotechnology and effective control of infectious diseases, some changes in human health have occurred since the 1950s. Mainly shown by the substantial increase in average life expectancy worldwide, the shift in disease spectrum and death from predominantly communicable diseases to current noncommunicable chronic diseases, leading some experts to believe that infectious diseases will no longer be a threat The main factor of human health. Some countries have gradually relaxed the prevention and control of infectious diseases. In some people’s minds it seems that infectious disease is about to “withdraw from the stage of history.” However, facts show that mankind is far from optimistic.