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蒙阴县是流行性出血热(EHF)重点疫区之一,近年来疫区不断扩大,病例数剧增。为了解蒙阴县EHF流行特征,探讨疫区演变规律,我们对本县1981～1992年EHF疫情进行了动态分析。结果报告如下。流行特征:1981～1992年共发病3033例,年均发病率为54.35/10万,1981年报告首例,1982～1984年散在发病,发病率分别为0.95/10万、11.86/10万、48.18/10万;1985年出现流行,发病率为231.86/10万;1986～1990年发病率逐年递减,分别为113.04/10万、49.28/10万、33.95/10万、22.04/10万;1991～1992年发病率又有回升,分别为48.82/10万、72.13/10万,全年各月均有发病,10～12月占53.78%,6～7
Mengyin County is one of the major epidemic areas of epidemic hemorrhagic fever (EHF). In recent years, the epidemic area has been continuously expanded and the number of cases has increased dramatically. In order to understand the epidemic characteristics of EHF in Mengyin County and explore the evolution of the epidemic area, we conducted a dynamic analysis of the EHF outbreak in this county from 1981 to 1992. The results are reported below. Epidemic characteristics: 1981 to 1992, a total of 3033 cases of disease, the average annual incidence rate of 54.35 / 100 000, the first report in 1981, 1982 to 1984, the incidence of scattered, the incidence rates were 0.95 / 100,000, 11.86 / 100,000, 48.18 / 100000; epidemic in 1985, the incidence was 231.86 / 100000; morbidity from 1986 to 1990 year by year decreases, respectively 113.04 / 100000, 49.28 / 100000, 33.95 / 100000, 22.04 / 100000; 1991 ~ In 1992, the morbidity increased again, accounting for 48.82 / 100000 and 72.13 / 100000 respectively. The incidence in each month of the year was from January to December, accounting for 53.78% from October to December and from 6 to 7