[Surveillance of endemic situation of schistosomiasis in Wuyi Village of Dongting Lake region, Hunan Province from 2002 to 2010].

Objective: To understand the epidemic trends of schistosomiasis in Wuyi Village of Muping Lake, so as to provide the references for making control strategy of schistosomiasis in embankment subtype in Dongting Lake region.
Methods: The data relating to the morbidity of schistosomiasis among human and domestic animals, the status of Oncomelania snails, the parameters of demographic and social economic development, and intervention measures were collected in Wuyi Village from 2002-2010. Based on this information, the changing trends of schistosomiasis were dynamically analyzed.
Results: The infection rate of schistosomiasis among human reduced from 11.44% in 2002 to 1.12% in 2010. The infection rate among male residents was higher than that of female ones. The fishermen had the highest infection rate among all the occupational groups. The positive rate of stool examination in cattle was stable at 10%. The density of snails outside embankment greatly decreased from 10.49 snails/0.1 m2 in Autumn of 2003 to 0.68 snails/0.1 m2 in Autumn of 2010. The mean density of infected snails outside embankment reached the peak of 0.026 snails/0.1 m2 in Spring of 2003, yet the figure reduced to zero from 2006 to now.
Conclusion: The endemic situation of schistosomiasis in Wuyi Village has been greatly reduced, yet cattle and fishermen are still the targets of schistosomiasis control in the future.