Abstract: Objective To understand the epidemic status of schistosomiasis in Jinhu County of Jiangsu Province from 2016 to 2020 for scientific evidences to develop targeted prevention and control measures. Methods According to the requirements of National Schistosomiasis Monitoring Scheme(2014 Edition),we conducted annual monitoring over the prevalence of snails,and schistosomiasis in population and livestock in the surveillance sites. Meanwhile,the implementation of prevention and control measures was reviewed. Results Totally,34 surveys were conducted in 10 environments within the national surveillance sites in Jinhu County from 2016 to 2020. No snails were found in 47 231 frames,with an area of 1 286. 68 hm² surveyed. Serological tests were performed in a total of 1 546 permanent residents / times,which revealed positive DDIA in 22 people / times,with a positive rate of 0. 65% ~ 2. 95%. Positive IHA was found in 23 persons / times,with a positive rate of 0. 97% ~ 1. 97%. Fecal examination was carried in 38 persons / times,which showed no positive findings. A total of 1 031 floating people underwent examination,which indicated positive DDIA and IHA in 18 and 16,with a positive rate of 0. 50% ~2. 48%,and 0. 50% ~ 2. 40%, respectively. Fecal examination conducted in 32 floating people showed no positive results. The positive rate for DDIA and IHA was 0 ~ 1. 58% and 0 ~ 1. 58%,and 0 ~ 15. 00% and 3. 03% ~ 12. 50%,respectively in floating population received active or passive monitoring. No schistosomiasis was detected in the 159 livestock examined. The total of 152. 26 hm² snail area was controlled by using molluscicides,38 persons / times underwent chemotherapy with praziquantel,and 10 800 persons / times received health education. Conclusion The epidemic situation of schistosomiasis in Jinhu County remains relatively stable,yet the risk of transmission still exists,suggesting that surveillance should be strengthened in order to consolidate the previous efforts.

Key words: Schistosomiasis, Surveillance, Endemic situation, Jinhu County