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一、流行病学研究进展(一)疫情趋势:近年来,我国虽然在本病的研究上取得一定进展,但由于灭鼠防病措施不能落实,又缺乏特异性疫苗等原因,全国疫情仍在急骤上升,1980年发病3万余例,1982年增长一倍,1983年上半年又比1982年同期增长1.02倍。疫区亦在不断扩大。到1982年,疫区已涉及23个省市自治区。同时,一些省市又出现了家鼠型出血热的流行。
I. Progress in epidemiological research (I) Trend of epidemic situation: In recent years, although some progress has been made in the study of this disease in our country, epidemic situation in China is still due to the fact that anti-rodent prevention measures can not be implemented and there is no specific vaccine. The rapid rise in 1980, more than 30,000 cases of illness, in 1982 doubled in the first half of 1983 than the same period in 1982 increased by 1.02 times. The epidemic area is also constantly expanding. By 1982, the affected areas had covered 23 provinces, autonomous regions and municipalities. At the same time, some provinces and cities have emerged home epidemic of hemorrhagic fever.