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1982年到1991年对人、鼠、气象因素进行监测,10年中发病总数3882例,死亡11例,发病集中在7～9月份占总数的92.20%,男多于女,发病年龄以20～49岁组最高,传染源主要是啮齿动物,其中以黑线姬鼠占捕鼠数的66.9%(942/1408)带菌率最高为12.20%。流行菌群以黄疸出血群为主,健康人群血清抗体几何平均滴度(显凝试验)为1:25.86。影响流行因素除鼠类带菌率高低、人群抗体水平最根本因素外,气候等自然因素如降雨量和气温高低也有一定关系,
From 1982 to 1991, the human, mouse and meteorological factors were monitored. In the 10 years, the total number of cases was 3882 and 11 were fatal. The incidence was concentrated in 92.20% of the total from July to September, with more men and women than those aged 20 ~ The highest incidence of 49-year-old group, the main source of infection is rodents, of which Apodemus monlitarius accounted for 66.9% of the number of rats (942/1408), the highest carrier rate of 12.20%. The prevalence of icteric jaundice bleeding group, healthy population serum geometric mean titer (coagulation test) 1: 25.86. Affect the prevalence factors In addition to the level of rodent carrier, the level of antibody levels of the most fundamental factors, climate and other natural factors such as rainfall and temperature levels also have a certain relationship,