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1982年3月至1985年2月,3个流行年度发病率依次为21.28/10万、42.60/10万、60.68/10万;死亡率依次为2.06/10万、4.33/10万、5.00/10万;病死率依次为9.68％、10.16％、8.24％。流行范围按地理景观统计,山谷林间地型、沿河湖洼地型、水网稻田地型。标化患病率依次为1.95/10万、101.40/10万和21.36/10万;以主产农作物种类统计,标化患病率为棉粮兼作(77.72/10万)>产棉(29.77/10万)>产稻地区(16.82/10万)。疫情波及138个村,占39.32％,呈逐年扩大趋势。鼠情则以黑线姬鼠为优势种群
From March 1982 to February 1985, the prevalence rates of the three epidemic diseases were 21.28 / lakh, 42.60 / lakh and 60.68 / lakh respectively. The mortality rates were 2.06 / lakh, 4.33 / lakh and 5.00 / 10 The case fatality rate was 9.68%, 10.16% and 8.24% respectively. Epidemic range According to the geographical landscape statistics, valley forest type, along the river and lake depression type, paddy field type. The standardized prevalence rate was 1.95 / 100000, 101.40 / 100000 and 21.36 / 100000 respectively. According to the statistics of main crops, the standardized prevalence rate was 77.72 / 100000 for cotton and 29.77 / 100,000)> Rice producing areas (16.82 / 100000). The outbreak spread to 138 villages, accounting for 39.32%, showing an increasing trend year by year. Rodent Apodemus is the dominant species