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目的分析发热伴血小板减少综合征流行病特征,为制定有效的防治策略提供依据。方法对大连市2011—2013年55例发热伴血小板减少综合征病例流行病学个案资料进行描述性流行病学分析。结果病例分布在7个不同地区,病例发病月份为5—10月,7、8月份病例占全年总病例的67%,男女性别发病比为1.29:1;发病年龄分布在34~89岁,平均发病年龄为64.02岁;发病人群以农民及家务待业者为主。结论发热伴血小板减少综合征有明显的流行季节,与蜱接触高度相关。
Objective To analyze the epidemic characteristics of fever with thrombocytopenia syndrome and provide evidence for effective prevention and treatment strategies. Methods Descriptive epidemiological data of 55 cases of fever with thrombocytopenia in Dalian from 2011 to 2013 were collected. Results The cases were distributed in 7 different regions. The month of onset was from May to October. In July and August, the cases accounted for 67% of the total cases in the year, and the incidence rate of male to female was 1.29: 1. The age of onset was from 34 to 89 years old, The average age of onset was 64.02 years old. The incidence of the disease was mainly peasant and housework. Conclusion Fever with thrombocytopenia syndrome has a clear epidemic season and is highly correlated with tick exposure.