Cost-effectiveness evaluation and investigation of control measures changes for areas of schistosomiasis transmission control in hilly regions of mountain II evaluation of schistosomiasis prevention and control effect,2001-2011

Objective To systematically summarize and analyze effect and partial measures adjustment on schistosomiasis control in the representative areas of hilly regions of mountain.Methods Four administrative villages of Dongpo District,Meishan City was selected by random sampling method,a retrospective survey was adopted to collect epidemiology,interventions measures for schistosomiasis in the above 4 villages during 2001-2010.Prevalence survey was conducted from April to November of 2011.Questionnaire survey of local students and residents for the knowledge,attitude,performance(KAP) of schistosomiasis were also performed.Results At the stage of prevention initial(2001-2004),the situation of schistosomiasis endemic was repeated and the control effect was poor.At the stage of control period(2005-2008),infection of population,animal and snails had been effectively curbed and the infection rate were controlled under 1%.In the maintenance phase(2009-2011),trend for comprehensive index increased significantly.The infection rate of three kinds of parasites(ascarid,trichuris,hookworm) decreased by 82.32%,69.77% and 64.26% respectively than in 2005.Questionnaire of KAP score analysis showed that at the level of understanding knowledge of schistosomiasis prevention and control,students were better than women,the differences were significant(all P0.05).Conclusions The study indicated that the practical relevance and effectiveness of the comprehensive treatment measures with the situation of schsistosomiasis endemic change to decrease at different stages,whereas,the possibility for the goal of schistosomiasis elimination realized will be guaranteed by the control effectiveness consolidation,surveillance of potential epidemiological factors strengthen and partial adjustment control measures by local conditions.