Sponsor(s):Jiangsu Institute of Parasitic Diseases; Chinese Preventive Medicine Association
6 issues per year
Current Issue: Issue 05, 2020
Chinese Journal of Schistosomiasis Control is supervised by Ministry of Health of the People's Republic of China and sponsored by Chinese Preventive Medicine Association; Jiangsu Institute of Parasitic Diseases. Launched in 1989, it aims to publish the latest achievements and progress in research of controlling schistosomiasis and parasitic diseases, which plays a positive role in prevention and control of schistosomiasis and other parasitic diseases. The journal is included in CA and CSCD.
Editor-in-Chief: Zhou Xiaonong
Executive Vice Editor-in-Chief: Liang Yousheng
Director: Hong Qingbiao
Spatio-temporal patterns of Oncomelania hupensis snail habitats in Suzhou, Wuxi and Changzhou cities along the Taihu Lake region
Chinese Journal of Schistosomiasis Control,2020,Vol 32,No. 05
Objective To investigate the spatio-temporal distribution characteristics of Oncomelania hupensis snail habitats in Suzhou, Wuxi, and Changzhou cities along the Taihu Lake region, so as to provide technical supports for establishing a sensitive and highly effective surveillance and forecast system for schistosomiasis. Methods Snail distribution data from 1950 to 2018 were collected from Suzhou, Wuxi, and Changzhou cities, and the changing trend for snail habitats was described over years. In addition, the clusters of snail habitats were detected using Kernel density analysis and SaTScan space-time scan analysis. Results The number of snail habitats appeared a single-peak distribution in Suzhou, Wuxi, and Changzhou cities from 1950 to 2018, which peaked in 1970 and then declined rapidly. There were 62.68% of snail habitats eliminated within 10 years after identification, of which 38.24% were eliminated at the year of identification. Kernel density analysis and SaTScan space-time scan analysis revealed that high-density clusters of snail habitats were mainly distributed in Kunshan City, Wuzhong District, and Xiangcheng District from 1970 to 1980, and in Yixing City in 1990; since then, the clusters gradually shrank, and overall appeared a move from the northeast to the west of Taihu Lake. A total of four new clusters were detected after 1970, as revealed by space-time scanning of snail habitats. In current snail habitats, emerging snail habitats are mainly identified in Huqiu District (Dongzhu Town), Wuzhong District (Guangfu Town), Taicang City (Shaxi Town), and Jintan District, and reemerging snail habitats are scattered in seven districts. Conclusions The distribution of snail habitats is spatio-temporal aggregation in Suzhou, Wuxi, and Changzhou cities. The monitoring and prediction of emerging and reemerging snail habitats are the key points in the future.