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1991年5月—9月,汝南县阴雨连绵,部分地区暴雨成灾,引起钩端螺旋体病(以下简称钩体病)的暴发流行,5月份出现首例病人,至9月下旬最后一例,共209例,发病率27.03/10万,死亡18人,病死率8.61％,病人分布于汝南县14个乡(镇)、103个自然村。其中官庄乡发病率最高,为403.08/10万,发病年龄最小三个月,最大84岁,男女比为1.73∶1,农民和学生发病多,占87.64％。临床以流感伤寒型和肺出血型为主。其中肺出血型病例占27.27％。如此高的比例,在我省尚属首次。为此,我们在救灾防病工作中调查了121例钩体病患者,其中,肺出血型病人33例,现报告于下:
May-September 1991, Runan County, rainy and rainy days, torrential rains in some areas, causing leptospirosis (hereinafter referred to as leptospirosis) outbreak, the first patient in May to the last case in late September, A total of 209 cases, the incidence of 27.03 / 100 000, 18 people died, the case fatality rate of 8.61%, the patient is located in Runan County, 14 townships (towns), 103 villages. Including the highest incidence of official Zhuang, 403.08 / 100000, the youngest onset of three months, a maximum of 84 years old, male to female ratio was 1.73: 1, peasants and students more frequently, accounting for 87.64%. Clinical influenza and typhoid-type pulmonary hemorrhage based. Among them, pulmonary hemorrhagic cases accounted for 27.27%. Such a high proportion is the first time in our province. To this end, we investigated 121 cases of leptospirosis in disaster relief and prevention work, of which 33 cases of pulmonary hemorrhage were reported as follows: