Surveillance Results of Schistosomiasis in Sichuan Province,2010

Objective To analyze the endemic situation of Schistosomiasis at the national surveillance sites in Sichuan province in 2010,understand the present status and variation trend of Schistosomiasis,provide scientific evidence for control.Method According to the National Surveillance Protocol for Schistosomiasis,surveillance was carried out in 9 national surveillance sites in Sichuan.Results Among 9 national surveillance sites,the positive rate of residents with sera examination was from 2.73% to 17.02%;the average positive rate of residents with sera examination and the average infection rate of the residents with Kato-Katz were 7.62% and 0.10%,respectively;and the geometrical mean of EPG of the residents was 0.003.The infection rate of cattle was 1.02%.The snail area was 128 285 m2,the density of living snails was from 0.02-1.29 per 0.1 m2 and the average density of snails was 0.21 per 0.1 m2;no infected snails were found.Conclusion The epidemic of Schistosomiasis remained at low level in Sichuan.Health education;the management of domestic animals and the control of snails should be strengthened to prevent the re-raising up of Schistosomiasis epidemic.