Abstract: Objective　To investigate the epidemiological characteristics of reported echinococcosis cases and their trends in Shaanxi Province from 2016 to 2023, so as to provide insights into optimization of echinococcosis control and surveillance strategies in the province. Methods　All data pertaining to echinococcosis cases in Shaanxi Province from 2016 to 2023 were captured from China's National Notifiable Disease Reporting System. All echinococcosis cases were subjected to duplicate checking and individual epidemiological surveys, and the temporal, population, and spatial distributions of reported echinococcosis cases were descriptively analyzed.  Results　A total of 94 echinococcosis cases were reported in Shaanxi Province from 2016 to 2023, and all cases were diagnosed with cystic echinococcosis, including 38 cases (40.43%) with definitive diagnosis of echinococcosis and 56 cases (59.57%) with clinically diagnosed echinococcosis, and 26 cases (27.66%) from echinococcosis⁃endemic foci, 33 imported cases (35.11%), and 35 suspected locally acquired cases (37.23%). Male cases were predominantly at ages of > 40 to 70 years (66.67%), and female cases were mainly at ages of > 55 to 70 years (43.24%). Farmer was the predominant occupation (68.09%), and junior high school was the predominant educational level (29.79%). Reported echinococcosis cases from endemic foci were mainly concentrated in Dingbian County (23 cases, 88.46%), and imported echinococcosis cases were primarily distributed in Xi'an City and Xianyang City in the central Guanzhong region (19 cases, 57.58%), while suspected locally acquired cases were mainly distributed in Tongchuan City, Xi'an City, and Weinan City in the central and eastern Guanzhong region (22 cases, 62.86%). Among the 33 imported echinococcosis cases, 31 cases (93.94%) had a history of long⁃term residence in, travel to, or visiting relatives or friends in endemic areas, and 11 (33.33%) had a history of contacts with dogs or foxes in endemic areas. Of the 35 suspected locally acquired echinococcosis cases, 18 cases (51.43%) had a history of breeding dogs or exposure to neighbors' dogs, and no history of other relevant exposure. Conclusions　The prevalence of echinococcosis was low in Shaanxi Province from 2016 to 2023; however, there was a risk of continuous importation of echinococcosis cases in the province. Intensified echinococcosis control measures are recommended among high⁃risk populations with adaptations to local circumstances. 

Key words: Echinococcosis, Epidemiological characteristic, Shaanxi Province

摘要： 目的　了解2016—2023年陕西省棘球蚴病病例流行病学特征，为优化该省棘球蚴病防治与监测策略提供依据。方法　于国家传染病报告信息管理系统获取2016—2023年陕西省棘球蚴病病例相关信息，对病例报告时间、人群、地区分布等特征进行描述性分析。此外，对病例开展个案流行病学调查。结果　2016—2023年陕西省累计报告棘球蚴病病例94例，均为细粒棘球蚴病；其中确诊病例38例（占40.43%）、临床诊断病例56例（占59.57%）；棘球蚴病流行区病例26例（占27.66%）、输入性病例33例（占35.11%）、疑似本地感染病例35例（占37.23%）。男性报告病例主要集中于> 40 ~ 70岁（占66.67%），女性主要集中于> 55 ~ 70岁（占43.24%）。病例职业以农民为主（占68.09%），文化程度以初中学历为主（占29.79%）。棘球蚴病流行区报告病例主要集中于定边县（23例，占88.46%）；输入性病例主要分布于关中地区中部的西安市和咸阳市（共19例，占57.58%）；疑似本地感染病例主要分布于关中地区中部和东部的铜川市、西安市和渭南市（共22例，占62.86%）。33例输入性棘球蚴病病例中，31例（占93.94%）曾有棘球蚴病流行区长期生活居住、游览或探亲访友等旅居史；11例（占33.33%）曾接触棘球蚴病流行区犬、狐狸等动物。35例疑似本地感染棘球蚴病病例中，18例（占51.43%）为自家或邻居养犬，无其他相关暴露史。结论　2016—2023年陕西省棘球蚴病呈低度流行，但持续面临病例输入风险，应针对重点人群因地制宜地加强防控。

关键词: 棘球蚴病, 流行特征, 陕西省