Abstract
What is already known about this topic? Oncomelania hupensis (O. hupensis) is the only intermediate host of Schistosoma japonica. The distribution of O. hupensis is affected by a series of climate, geographical, sand ocioeconomic factors, which reflect the risk areas of schistosomiasis. What is added by this report? There were certain geographical aggregations in the potential high distribution areas of O. hupensis, which were mainly distributed in Poyang Lake area, Dongting Lake area, and the middle and the lower reaches of the Yangtze River. What are the implications for public health practice? Monitoring and forecasting the distribution of O. hupensis is conducive to improving the early warning capabilities of the potential risk of schistosomiasis transmission and progressively promoting the elimination of schistosomiasis nationwide.
Highlights
Based on the surveillance data of O. hupensis (1), a niche model was used to predict the distribution of O. hupensis
The results indicated that the distribution of O. hupensis had concentrated, becoming primarily distributed in the middle and lower reaches of the Yangtze River, Dongting Lake, and Poyang Lake
Forecasting the distribution of O. hupensis is conducive to improving the ability of early warning of potential transmission risk and the elimination of schistosomiasis
Summary
Suitable areas for snail breeding were formed, which increased the potential scope and degree of schistosomiasis distribution (3). The environment with newly emerging and reemergent snail habitats from the national schistosomiasis surveillance sites from 2015 to 2019 were selected as the sample points, and 14 climatic, geographical, and socioeconomic factors
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