1980年起我市发生了以褐家鼠为主要传染源的EHF流行,流行情况调查结果如下。 一、一般流行病学调查:城市发病率高于农村,干旱地区高于潮湿地区。多为一户一例,可见簇状流行,男性发病率高于女性。以矿工发病数最多,以下依次为普通工人、教师、医务人员和农民。1～3月份为流行高峰,夏秋季发病较少。 Since 1980, an epidemic of EHF with Rattus norvegicus as the main source of infection has occurred in our city. The epidemiological findings are as follows. First, the general epidemiological survey: urban incidence is higher than in rural areas, arid areas higher than wet areas. Mostly one case, showing a cluster-like epidemic, the incidence of men than women. The highest incidence of miners, followed by ordinary workers, teachers, medical workers and farmers. 1 to March for the peak of the epidemic, less incidence in summer and autumn.