PMID: 25782242Mar 19, 2015Paper

Retrospective investigation of schistosomiasis endemic situation in Hunan Province

Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control
Yang-Qing HanGuang-Hui Ren

Abstract

To understand the dynamic rules of schistosomiasis endemic situation before and after reaching the criteria of schistosomiasis transmission controlled or transmission interrupted, so as to provide the evidence for improving schistosomiasis control. Wuling District, Xihu District and Linli County were selected and investigated retrospectively to collect the schistosomiasis epidemiological information 10 years before they reached the criteria of transmission controlled and the subsequent years until 2008. A database of retrospective investigation was established for analyzing the trends and rules of changes of the Oncomelania hupensis snail status and infection status of cattle and human. In Wuling District, the endemic situation was declining, and no schistosome infection persons, animals and snails were found after 1974. There was no rebound until 2008. In Xihu District, the endemic situation reached the criteria of transmission controlled in 1997, and the endemic situation was stable. The human infection rate was positively correlated with the area of infection snails (r = 0.584, P < 0.05). In Linli County, there were no snails, no infected persons and cattle twice, but 2 endemic rebounds, and there were positive correlations ...Continue Reading

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