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40年来,我国传染病防治工作取得了举世瞩目的成就。一些在旧中国无法控制的传染病,如黑热病、回归热、疟疾、丝虫病、流行性乙型脑炎、流行性脑膜炎等,建国后都取得了较好的控制效果。但由于我国幅员辽阔,人口众多,传染病在我国城乡发生和流行的条件及环境因素依然存在。解放后一些基本上已被消灭的传染病近几年又死灰复燃,传染病防治工作的任务十分艰巨,形势还是十分严峻。例如,1988年初上海甲型肝炎大流行,几个月内就有34万多人发病;
Over the past 40 years, our country has made remarkable achievements in prevention and treatment of infectious diseases. Some infectious diseases that are beyond our control in old China such as kala-azar, relapsing fever, malaria, filariasis, Japanese encephalitis, epidemic meningitis, etc. have achieved good control effects after the founding of the People’s Republic. However, due to the vast territory and large population in our country, the conditions and environmental factors for the occurrence and prevalence of infectious diseases in urban and rural areas of our country still exist. After the liberation, some basically eradicated infectious diseases have resumed in recent years. The task of prevention and treatment of infectious diseases is extremely arduous. The situation is still very serious. For example, in Shanghai in early 1988, there were over 340,000 cases of the hepatitis A pandemic in a few months.