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Li A.,Institute of Infectious and Parasitic Disease | Huang Y.,Institute of Infectious and Parasitic Disease | Ye H.,Institute of Infectious and Parasitic Disease | Lin G.,Institute of Infectious and Parasitic Disease | Xu J.,Institute of Infectious and Parasitic Disease
Chinese Journal of Endemiology | Year: 2015

Objective: To investigate the infection status of A hgiostrongylus cantonensis in winkle from 9 cities in Guizhou Province. Methods: The winkles were collected randomly from aquatic products wholesale market, agricultural market or. restaurants in 9 cities (Guiyang, Zuhyi, Tongren, Kaili, Anshun, Duyun, Xingyi, Bijie and Shuicheng) and classified in Guizhou Province, and the third-stage larvas of Angiostrongylus cantonensis were separated and detected with microscopy by tissue homogenization (Pomacea canaliculata was first checked with lung screening method, and then rechecked by tissue homogenization), and infection rate was calculated. Results: Totally 2 177 winkles were tested, the overall infection rate of Angiostrongylus cantonensis was 1.5% (32/2 177), among them, Pomacea canaliculata was 1 287, five was,positive, and the infection rate was 0:4%; Achatina fulica was 240, positive 27, the infection rate was 11.3%; Bellamya lithophaga was, 372 and all 278 Cipangopaludina chinensis was not positive. Conclusions: There is a higher risk of infection with Angiostrongylus cantonensis if eating winkles. The third-stage larva in Pomacea canaliculata and Achatina fulica has been found in Guizhou Province. Market management, food-safety inspection of the winkles on sale, and public health education should be strengthened.

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