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Risk assessment of schistosomiasis transmission in Chuxiong City of Yunnan Province / 中国血吸虫病防治杂志
Chinese Journal of Schistosomiasis Control ; (6): 337-338, 2019.
Article in Chinese | WPRIM | ID: wpr-818942
ABSTRACT
Objective To evaluate the potential risk of schistosomiasis transmission so as to provide the evidence for formulating the control strategy. Methods Two villages were selected as the investigated sites in Chuxiong City and the risk of schistosomiasis transmission was evaluated by reviewing the data of schistosomiasis epidemic situation and prevention and control work, and carrying out the field survey for Oncomelania hupensis snail status, wild faeces, and schistosome infection of the population from 2015 to 2017. Results There was 1.49 hm2 area of snail habitats, with an average density of 0.54 snails/0.1 m2. The occurrence rate of frames with snails was 5.41%. No schistosome-infected snails were found. The positive rate of schistosomiasis serological tests of the residents was 3.36%, but the stool examination positive cases were not found. A total of 58 wild faeces samples were collected but no schistosome infested cases were found. The risk levels of schistosomiasis transmission in both villages were Grade III. Conclusions Although Chuxiong City has been in a low risk state of schistosomiasis transmission, the density of snails is still high, and there is a risk of infection source importation. In the future, the infection source control and snail control should be strengthened.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Etiology study / Risk factors Language: Chinese Journal: Chinese Journal of Schistosomiasis Control Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Etiology study / Risk factors Language: Chinese Journal: Chinese Journal of Schistosomiasis Control Year: 2019 Type: Article