Result Analysis of Surveilance of Schistosomiasis in Xiangcheng District of Suzhou from 2018 to 2024

Gu Nali; Liu Yongjie; Fan Jingyan; Yao Yongkai; Zhu Shuncheng

doi:10.3969/j.issn.1001-568X.2025.12.0009

Abstract：OBJECTIVE To analyze the surveillance data of schistosomiasis in Xiangcheng district of Suzhou from 2018 to 2024,so as to provide insights into the formulation of the strategy used to consolidate the schistosomiasis elimination achievements.METHODS The data,including survey and eradication of oncomelania hupensis,surveillance results in population and livestock as well as wild feces,were collected from 2018 to 2024,and analyzed to estimate the risk of schistosomiasis occurrence and transmission in Xiangcheng district of Suzhou.RESULTS From 2018 to 2024,a total of 21.66 hm2 snail habitats were found,and among the 3 520 snails dissected,no schistosome-infected snails were found.Chemical treatment covered an area of 83.26 hm2,two oncomelania snail control projects were completed.31 339 permanent residents and 4 015 floating people underwent blood test,which indicated positive serology rate by 0.01％ and 0.There was no positive findings by stool examination.A total of 362 wild faeces samples were collected but no schistosome infested cases were found.The risk for schistosomiasis transmission was rated as grade Ⅲ in Xiangcheng District.CONCLUSION The schistosomiasis epidemic situation has been effectively controlled in Xiangcheng district.However,factors contributing to disease transmission continue to exist.The integrated schistosomiasis control strategy requires to be reinforced to consolidate the control achievements.