山东省于1962年9月在济宁县南阳湖农场确诊首例流行性出血热病人以来,此后发病地区不断扩大,发病人数逐年有所增加。特别是1980年以后,病情急剧上升,全省每年发病人数大量增加,对人民生命健康威胁很大。现将本病流行病学调查情况,分析报导于后。流行特点本病的流行特点在山东省也同样具有地区性、散发性和季节性。一.地区性:本病发病具有严格的地区性、局限性和边缘性。 Since the first case of epidemic hemorrhagic fever was diagnosed in Nanyang Lake Farm of Jining County in September 1962, Shandong Province has been expanding its incidence since then, and the number of cases has been increasing year by year. Especially since 1980, the condition has risen sharply. The annual incidence of the disease in the province has increased substantially, threatening the life and health of the people greatly. Now epidemiological investigation of the disease, analysis reported later. Prevalence The prevalence of this disease is also endemic in Shandong Province, sporadic and seasonal. I. Regional: The incidence of this disease has a strict regional, local and marginal.