本县是流行性出血热(EHF)流行的重点地区,我们于1985年起,在全县开展了EHF的调查,现将结果报告如下:一、流行病学调查1985～1990年累积病人6075例,死亡4例,平均年发病率为142.01/10万。1986年为高发病年,发病率为251.47/10万,占病例总数的29.33%。后发病率呈逐年下降趋势,1987～1990年 The county is the focus of endemic hemorrhagic fever (EHF) epidemic areas, we started in 1985, the county conducted a survey of EHF, the results are reported as follows: First, the epidemiological survey of 1985 to 1990 cumulative 6075 cases of patients , 4 died, with an average annual incidence of 142.01 / 100000. In 1986, it was a high morbidity year with an incidence rate of 251.47 / 100000, accounting for 29.33% of the total number of cases. After the incidence showed a downward trend year after year, 1987 to 1990