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1971年曾在浙江南部暴发流行一种以小儿发病为主,临床以发热、咳嗽、明显喘憋和肺部罗音的呼吸道传染病。发病急,流行面广,短时间内蔓延不少地区。此后几年来,该病以散发或小规模流行出现,不仅对小儿健康危害甚大,而且严重影响农业学大寨、普及大寨县的群众运动。为了阐明该病的流行病学和临床特点,以便进一步做好防治工作,现将1971年5月～1978年4月的七年中的流行情况和住院的1504病例的资料加以整理如下。
In 1971 an outbreak in southern Zhejiang epidemic of a predisposition to children, clinical fever, cough, wheezing and lung rales clearly respiratory infectious diseases. Acute onset, a wide area, a short period of time spread in many areas. In the following few years, the disease appears in the form of excretion or small-scale epidemics. It is not only harmful to the health of children, but also seriously affects the study of agriculture in Dazhai and popularizes the mass movement in Dazhai County. In order to elucidate the epidemiological and clinical features of the disease in order to further prevent and control it, the following is a breakdown of the prevalence in the seven years from May 1971 to April 1978 and the hospitalized cases of 1,504 cases.