荣成市一起聚集性发热伴血小板减少综合征疫情流行病学调查

Epidemiological investigation on cluster outbreak of fever with thrombocytopenia syndrome in Rongcheng city

目的了解发热伴血小板减少综合征的流行特征和发病规律,探索有效的防控策略,为今后防控工作提供科学依据。方法根据病例定义进行病例搜索,对符合病例定义的病例进行流行病学调查。结果2011年10月23日,荣成市某乡镇发生发热伴血小板减少综合征4例,均为男性,年龄最小43岁,最大55岁,且互为亲属关系。其中3人为荣成市H镇T村人,是亲兄弟,1人为同镇Z村人,为上述3人妹夫,呈明显的家庭聚集性;均在荣成市某医院照顾母亲姜某(死后被推断为发热伴血小板减少综合征),因接触其血液(接触血液后未洗手就吸烟)而感染,有共同的暴露史。结论这是一起发热伴血小板减少综合征院内感染的聚集疫情,加强个人防护,避免与病人血液直接接触,开展医疗机构院内感染控制,是防控发热伴血小板减少综合征聚集性发病的重要措施。

Objective To analyze the epidemiological feature and of the patent of fever with thrombocytopenia,and provide scientific basis for the prevention and control in the future. Method The cases of fever with thrombocytopenia were identified according to the definition of the illness, and the pathological survey was performed. Results On October 23, 2011, there were four cases of fever with thrombocytopenia syndrome in Rongcheng. All these patients were men and had kinship with each other. Among them, three men who live in T-village, situated in H-town of Rongcheng, are brothers, and the other man, resident of the Z-village in H-town, is husband of the younger sister of these three men, which present a significant familial aggregation. All of the four persons above mentioned took care of their mother Jiang, dead and presumed to have fevered with the thrombocytopenia syndrome, and were infectedthrough contact with her blood （smoked without washing their hands after contact with the infected blood）, consequently, they have a common exposure history. Conclusion Strengthening the personal protection, avoiding direct contact with the patient＇s blood, and controlling the nosocomial infection in health facility are the important measures to prevent outbreak of fever with thrombocytopenia syndrome.