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某团于1981年10月21日至11月21日内发生流行性出血热病人4名。为了分析发病原因和规律,有效地采取预防措施,我们于1981年11月24日至12月8日进行了流行病学调查。现报告如下。一、流行性出血热发病情况自1981年10月21日至11月21日共发生4例病人,发病率为3.27‰,无1例死亡。病人均为22岁、男性、战士、山东籍人。1978年入伍1人,1979年入伍3人。病人分布于甲、乙两个营区(相距90华里)4个伙食单位。住甲区团机关食堂炊事员
A certain group of patients with epidemic hemorrhagic fever occurred from October 21 to November 21, 1981. In order to analyze the causes and laws of the disease and to take preventive measures effectively, we conducted an epidemiological survey from November 24 to December 8, 1981. The report is as follows. First, the incidence of epidemic hemorrhagic fever from October 21, 1981 to November 21 occurred in a total of 4 patients, the incidence was 3.27 ‰, no one died. The patients were 22 years old, male, warrior, Shandong nationality. 1 enlisted in 1978, 3 enlisted in 1979. Patient distribution in A, B two camps (90 miles apart) 4 food units. Residence A regiment canteen cooks