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目的 了解2005-2015年上海市输入性血吸虫病疫情动态及其主要影响因素。方法 采用回顾性调查方法,收集2005-2015年上海市输入性血吸虫病疫情、螺情、流动人口等数据,建立数据库并分析。结果 11年间,上海市流动人口增长了123.92%,达981.65万,其中54.70%的流动人口分布在近郊。上海市累计在4个远郊区(不含崇明区)的16个镇查出有螺面积7.13 hm~2;共发现23例输入性血吸虫病病例,输入性血吸虫病疫情呈下降趋势(r_s=-0.782,P=0.004)。2005-2009年,84.62%(11/13)的输入性血吸虫病病例分布在同期无钉螺发现的近郊区;2010-2015年,90%(9/10)输入性血吸虫病病例分布在同期有钉螺查出的远郊区。结论 上海市输入性血吸虫病疫情总体呈下降趋势,但其对血吸虫病防治成果巩固的威胁仍不容忽视。
Objective To understand the epidemic situation of imported schistosomiasis in Shanghai during 2005-2015 and its main influencing factors. Methods A retrospective survey was conducted to collect data on imported schistosomiasis in Shanghai from 2005 to 2015 and to establish a database to analyze the data. Results During the 11 years, the floating population in Shanghai increased by 123.92% to 9.8165 million, of which 54.70% of floating population was located in the suburbs. In Shanghai, a total of 23 cases of imported schistosomiasis were found in 16 towns in 4 outer suburbs (excluding Chongming district), with a mean area of 7.13 hm ~ 2. The epidemic situation of imported schistosomiasis showed a decreasing trend (r_s = - 0.782, P = 0.004). In 2005-2009, 84.62% (11/13) of the imported cases of schistosomiasis were found in the suburbs where snails were found in the same period. From 2010 to 2015, 90% (9/10) cases of imported schistosomiasis were found in the same period with snail Isolated far suburbs. Conclusions The epidemic situation of imported schistosomiasis in Shanghai is generally on the decline. However, its threat to the consolidation of schistosomiasis control should not be overlooked.