Jia-chang He

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Marching towards the elimination of schistosomiasis in China, both the incidence and prevalence have witnessed profound decline over the past decades, with the strategy shifting from morbidity control to transmission control. The current challenge is to find out hotspots of transmission risk for precise targeted control in low-prevalence areas. This study(More)
OBJECTIVE To analyze the outbreak patterns of acute schistosomiasis in Anhui province in 2003. METHODS The criteria of emergency event for schistosomiasis issued by the Ministry of Health were applled in this study. Epidemiological data of acute schistosomiasis outbreak in Anhui province in 2003 were collected, checked and analyzed. RESULTS In 2003,(More)
OBJECTIVE To understand the trend of Oncomelania hupensis snail distribution in Yangtze River valley of Anhui Province so as to provide an evidence for making out schistosomiasis prevention and control strategies in the future. METHODS The snail data from 1998 to 2009 of the Yangtze River valley in Anhui Province were collected including the snail area,(More)
OBJECTIVE The characteristics of spatial-temporal distribution on infected snails were analyzed at the village level in Anhui province, 2006-2012. METHODS Data on the distribution of infected snails from 2006 to 2012 in Anhui province was collected. Spatial database was established by ArcGIS 9.3. Retrospective spatial-temporal cluster analysis was done by(More)
OBJECTIVE To evaluate the effect of comprehensive control strategy of schistosomiasis with emphasis on infection source control in Anhui province. METHODS Forty endemic villages in Guichi district, Chizhou city, Anhui province were selected as national pilot villages in the years from 2006 to 2008, and another 10 provincial pilot villages were(More)
OBJECTIVE To explore the application of space-time scan statistics in the early warning of distribution of schistosome infected Oncomelania hupensis snails. METHODS The data of distribution of infected snails in Anhui Province from 2006 to 2012 were collected, and a spatial database was established by ArcGIS 9.3. The prospective spatial-temporal cluster(More)
OBJECTIVE To evaluate the mid-term effectiveness of the medium-and-long-term programme for prevention and control of schistosomiasis in Anhui Province. METHODS In the programme, the comprehensive measures were carried out, including the schistosomiasis detection and chemotherapy for residents and livestock, snail control, health education, and infectious(More)
OBJECTIVE To analyze the changes of schistosomiasis endemic situation in Anui Province from 2004 to 2014, so as to provide the evidence for formulating "The thirteenth five year" schistosomiasis control plan. METHODS The information for schistosomiasis control and the data of the endemic surveillance of schistosomiasis were collected and analyzed for the(More)
OBJECTIVE To understand the epidemic situation of schistosomiasis in 27 counties (cities, districts) that reached the criteria of schistosomiasis infection controlled in Anhui Province. METHODS According to the requirement of The National Assessment Scheme of Schistosomiasis, 81 administrative villages where the schistosomiasis epidemic situation was(More)
OBJECTIVE To evaluate the effect of the project of afforestation for schistosomiasis prevention on Oncomelania hupensis control. METHODS The situation of afforestation for schistosomiasis prevention in the field and the snail distribution in marshland regions were surveyed with the systematic sampling method in the spring, 2009. The database of snail(More)