目的了解恙虫病流行病学和临床特征,为防治工作提供参考。方法采用描述流行病学方法,对一起恙虫病聚集性疫情调查资料进行分析。结果此起恙虫病聚集性疫情发生在2011年10月下旬至11月中旬,累计发病22例,其中实验室确诊4例,临床诊断18例。患者主要症状为发热(100%)、皮疹(90.91%)、焦痂或溃疡(86.36%)。病例集中分布在相邻的4个村,以50岁以上老年人为主,职业均为农民。检测16份病人血样,有4份恙虫病立克次体核酸阳性。结论在加强恙虫病疫情监测的同时,须及时开展相关培训,提高临床医生的诊疗水平,减少误诊和漏诊,同时须加大防治知识的科普宣传,提高农民等重点人群的自我防护意识和能力。 Objective To understand the epidemiological and clinical features of scrub typhus and provide reference for prevention and control. Methods A descriptive epidemiological method was used to analyze the survey data of a cluster of tsutsugamushi disease outbreaks. Results The tsutsugamushi epidemic occurred in late October 2011 to mid-November, a total of 22 cases, of which 4 were diagnosed in the laboratory, clinical diagnosis of 18 cases. The main symptoms were fever (100%), rash (90.91%), eschar or ulcer (86.36%). Cases concentrated in the adjacent 4 villages, mainly to people over the age of 50, occupations are farmers. Blood samples from 16 patients were tested and 4 were positive for Rickettsia tsutsugamushi. Conclusions In order to strengthen the monitoring of epidemic situation of scrub typhus, relevant training should be carried out in time to improve clinic diagnosis and treatment, reduce misdiagnosis and misdiagnosis, at the same time, popularize scientific popularization of prevention and treatment knowledge and raise self-protection consciousness and ability of key population such as farmers.