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  • Title: High prevalence of Clonorchis sinensis infections and coinfection with hepatitis virus in riverside villages in northeast China.
    Author: Gao Y, Li Y, Liu X, Zhang T, Yu G, Wang Y, Shi Y, Chi X, Wang X, Gao X, Wu R, Zhang Y, Hang L, Sun S, Guan Y, Xu Y, Meng J, Liu X, Jiang C, Ma H, Luo L, Yan Q, Yin X, Peng F, Zhi Y, Qu W, Zhang X, Ren T, Liu L, Zhao J, Zhang F, Yakepu A, Pan Y, Xu H, Niu J.
    Journal: Sci Rep; 2020 Jul 16; 10(1):11749. PubMed ID: 32678224.
    Abstract:
    In China, the prevalence of Clonorchis sinensis (C. sinensis) infections is only evaluated at the provincial level by national sampling surveys, and data from villages and counties are still lacking. In this study, we conducted a cross-sectional survey in 10 villages located along the Lalin River in northeast China. Clonorchiasis was diagnosed using a modified Kato-Katz method that detects the C. sinensis egg in stools. A total of 3,068 persons were screened and 2,911 were recruited for the study. Overall, the prevalence of C. sinensis infection was 29.3%. Among 175 participants who were cured after antiparasitic treatment, 54 (30.86%) were re-infected in this survey. After calibration of potential confounders, male gender, occupation as a farmer, smoking, and occasionally or frequently eating raw fish were independent risk factors for C. sinensis infection. The results of laboratory examinations in the C. sinensis/hepatitis B or C virus co-infection group were similar to those in the hepatitis B or C virus mono-infection groups. In conclusion, C. sinensis is highly endemic in villages along the Lalin River, and the primary route of infection is the consumption of raw freshwater fish. Co-infection with C. sinensis did't aggravate the clinical manifestations of viral hepatitis in this cross-sectional study.
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