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在漫谩的历史长河中，传染病一直是危害人类健康的主要杀手（内部资料）。解放前，主要由于疫病流行，中国的婴儿死亡率高达200‰，人口期望寿命仅35岁。解放后，与传染病的斗争一直是我国公共卫生工作的主要内容，并取得辉煌成绩。为了迎接21世纪的到来，我们有必要回顾历史，
In diffuse history, infectious diseases have been the major killers (internal sources) of endangering human health. Before the liberation, mainly due to the epidemic, China’s infant mortality rate was as high as 200 ‰ and its life expectancy was only 35 years. After the liberation, the fight against infectious diseases has always been the main content of our public health work and has achieved brilliant results. In order to welcome the coming of the 21st century, it is necessary for us to review history,