Objective: To investigate the epidemiological characteristics of human echinococcosis in Inner Mongolia Autonomous Region, so as to provide evidence for the development of the precision control strategy of human echinococcosis in the region.
Methods: A sampling survey of human echinococcosis was conducted in 28 banners (counties, districts) of Inner Mongolia Autonomous Region from 2012 to 2017, and the epidemiological characteristics were descriptively analyzed.
Results: A total of 90 058 residents were examined for echinococcosis in 28 banners (counties, districts) of Inner Mongolia Autonomous Region from 2012 to 2017, and 71 patients were detected with echinococcosis, with a detection rate of 0.08%. No echinococcosis cases were identified in 8 banners (counties), and there were 6 banners (counties) with echinococcosis prevalence of 0.1% to 1%, and 14 with prevalence of 0 to 0.1%. The echinococcosis prevalence was significantly greater in women (0.11%) than in men (0.05%) (χ2 = 10.09, P = 0.001), and the highest prevalence was detected in patients at ages of over 50 years (38 cases, 53.52%). In addition, the highest echinococcosis prevalence was detected in herdsmen (0.14%), or in primary school children (0.13%).
Conclusions: Human echinococcosis is widely, but lowly prevalent in Inner Mongolia Region, with a diverse density of infections. Echinococcosis has remarkable characteristics of regional and population clusters in Inner Mongolia Region, and the management of echinococcosis requires to be reinforced in key regions and populations.
［摘要］ 目的 调查内蒙古自治区人群棘球蚴病流行特征, 为制定精准防控措施提供参考依据。方法 2012−2017年 对内蒙古自治区28个旗 (县、区) 开展人群棘球蚴病流行情况抽样调查, 对流行特征进行描述性分析。结果 2012−2017 年, 累计调查内蒙古自治区28个旗 (县、区) 居民90 058人, 检出棘球蚴病临床诊断病例71例, 检出率为0.08％。28个旗 (县、区) 中, 有8个未发现人群棘球蚴病病例, 6个检出率为0.1% ~ 1%, 14个为0 ~ 0.1%。女性居民棘球蚴病检出率 (0.11%) 高于男性检出率 (0.05%), 差异有统计学意义 (χ2 = 10.09, P = 0.001) ; 棘球蚴病患者年龄以50岁以上为主, 占 53.52% (38例) ; 不同职业人群中, 牧民棘球蚴病检出率最高 (0.14%) ; 不同文化程度人群中, 以小学检出率最高 (0.13%)。结论 内蒙古自治区人群棘球蚴病整体流行水平较低, 但流行范围较广、流行程度分布不均衡、存在明显地区和人群聚 集特征, 应加强重点地域和人群棘球蚴病防控工作。.
Keywords: Echinococcosis; Epidemic characteristics; Inner Mongolia Autonomous Region; Sampling survey.