Oncomelania hupensis status in national schistosomiasis surveillance sites of Yunnan Province from 2015 to 2017

• Published in: Zhongguo xue xi chong bing fang zhi za zhi Vol. 30; no. 5; p. 548
• Main Authors: Mei-Fen, Shen, Yi, Dong, Ming-Shou, Wu, Yun, Zhang, Xi-Guang, Feng, Jing, Song, Li-Fang, Wang
• Format: Journal Article
• Language: Chinese
• Published: China 07.06.2018
• Subjects: Schistosomiasis; Surveillance; Yunnan Province; Oncomelania hupensis
• ISSN: 1005-6661
• DOI: 10.16250/j.32.1374.2018051

To master the distribution and infection status in the national schistosomiasis surveillance sites of Yunnan Province, so as to provide the evidence for making the control and prevention measures. The data of surveillance in the 18 national surveillance sites of Yunnan Province from 2015 to 2017 were collected and analyzed with the descriptive analysis method according to the national schistosomiasis surveillance programme. The total surveillance area was 5 710.94 hm , the area with snails was 205.69 hm . The number of surveillance frames was 2 094 553, the occurrence rate of frames with snails was 0.62%, and the density of living snails was 0.025 4 snails/0.1 m . In the schistosomiasis epidemic controlled areas, the area with snails, the occurrence rate of frames with snails and the density of living snails were all the highest. The snail concentrated distribution areas were the small reservoir, bottomland, paddy field, ditch, and dry land, and the snails mainly distributed in the rice, dry crop, weed and wo