[Endemic Situation and Control of Malaria in Baoying County of Jiangsu Province from 2005 to 2014].

Malaria information was collected through online systems in Baoying County from 2005 to 2014 and descriptive analysis was performed on the data. A total of 175 cases of malaria were reported in the years, with no report of death. During 2005-2008, vivax malaria cases constituted 86.4%（19/22） of all cases reported, and all infected locally with diease onset mainly occurred from May to November. During 2009-2014, falciparum malaria cases constituted 82.4%（126/153）, and all imported cases, which showed a trend of increase, from one case in 2007 to 22 in 2009. All the cases reported during 2010-2014 were imported cases. As to malaria control, there was an overall regular treatment rate of 100%, 195 patients had radical cure during the resting stage, and blood test was conducted in 52 827 fevered patients, resulting in a positive rate of 0.3%（149/52 827）. Although no local malaria cases were reported since 2010, the imported malaria is still an important issue.

[Discussion on strategy of imported falciparum malaria control in Baoying County, 2007 -2009].

The analysis on control of imported falciparum malaria in Baoying County from 2007 to 2009 showed that all the 25 cases occured were cured. It suggested that the prevention and control strategy and measures on imported falciparum malaria in local areas were effective.

[Surveillance of Oncomelania hupensis snails in Baoying and Gaoyou sections of Li Canal in east route of South-to-North Water Diversion Project].

OBJECTIVE: To understand the distribution and diffusion of Oncomelania hupensis snails in the Baoying and Gaoyou sections of the Li Canal in the east route of the South-to-North Water Diversion Project. METHODS: The retrospective survey method was used to investigate the distribution and diffusion of snails in the Baoying and Gaoyou sections of the Li Canal, the conventional survey and the methods of salvage of water and attracting snails were used to detect the distribution of snails in river banks and water. RESULTS: The earliest findings of snails in the Gaoyou section of the Li Canal was in 1955, the northernmost distribution of snails was Dilong ferry at the west dam and east slope of the Li Canal. The dynamic surveillance in the Gaoyou section of the Li Canal from 2001 to 2010 showed that the snail status was of low density and low fluctuation of area, and the distribution range was 119 degrees 24' 36" -119 degrees 25' 34", 32 degrees 48' 30" -32 degrees 54' 05". From 2006 to 2010, the snails were not found by the methods of salvage of water and attracting snails in the surveillance in the Baoying and Gaoyou sections of the Li Canal. CONCLUSIONS: So far, there is no evidence showing that the snails spread to northward in the Li Canal, however, it is still necessary to carry out the surveillance of snails and schistosomiasis in the east route of the South-to-North Water Diversion Project.