[Investigation on Oncomelania hupensis snail status in Hailing District, Taizhou City from 2007 to 2014].

OBJECTIVE: snails and the change rules, so as to provide the evidence for formulating the snail control strategy. METHODS: The data of snails were collected and the factors influencing the changes of snail status were investigated, and all the data were analyzed in Hailing District from 2007 to 2014. RESULTS: snail area was found again. CONCLUSIONS: In recent years, the snail situation rises again after schistosomiasis transmission has been interrupted. Therefore, this situation should be paid attention to.