Epidemic situation of schistosomiasis in Tongling City, 2007-2013

Abstract

Objective To master the epidemic situation and control effect of schistosomiasis in Tongling City from 2007 to 2013.Methods The data of the epidemic situation and control measures of schistosomiasis in Tongling City from 2007 to 2013 were collected and analyzed for the trend of schistosomiasis epidemic situation and changes of status of Oncomelania snails.Results From 2007 to 2013,the population positive rate of schistosome serological examination and stool examination decreased from 8.42％(5 427/64 436) to 0.40％ (50/12 372) and from 3.20％(3 587/11 976) to 0 (0/14 818) respectively; the infection rate of cattle decreased from 2.45％(91/3 712) to 0 (0/700),all the bovines were killed in 2013.The snail area decreased from 3 107.37 hm2 (1 hm2=10 000 m2) in 2007 to 2 775.09 hm2 in 2013,the infected snails were not found since 2012.Conclusion Through the implementation of comprehensive treatment of schistosomiasis with infectious source control projects,the schistosomiasis epidemic in Tongling City decreased significantly,and kept in low endemic situation. Key words: Schistosomiasis; Epidemic situation; Oncomelania hupensis; Tongling City