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Surveillance of Hepatitis E Virus Contamination in Shellfish in China

Author

Listed:
  • Shenyang Gao

    (Department of Food Science, Shenyang Agricultral University, Shenyang 110161, China
    Department of Animal Husbandry & Veterinary Medicine, Liaoning Medical University, No. 5-48 Renmin Street, Jinzhou 121001, China
    These authors contributed equally to this work.)

  • Dandan Li

    (Animal Quarantine Lab, Inspection & Quarantine Technology Center of Hainan Entry-Exit Inspection & Quarantine Bureau, Haikou 570000, China
    These authors contributed equally to this work.)

  • Enhui Zha

    (Department of Food Science, Liaoning Medical University, No. 5-48 Renmin Street, Jinzhou 121001, China)

  • Tiezhong Zhou

    (Department of Food Science, Shenyang Agricultral University, Shenyang 110161, China)

  • Shen Wang

    (Department of Food Science, Shenyang Agricultral University, Shenyang 110161, China)

  • Xiqing Yue

    (Department of Food Science, Shenyang Agricultral University, Shenyang 110161, China
    Department of Animal Husbandry & Veterinary Medicine, Liaoning Medical University, No. 5-48 Renmin Street, Jinzhou 121001, China)

Abstract

Background : Hepatitis E virus (HEV) has been confirmed to be a zoonotic virus of worldwide distribution. HEV contamination in the water environment has not been well examined in China. The objective of this study was to evaluate HEV contamination in shellfish in a coastal area of China. Such contamination would be significant for evaluating public health risks. Method s: samples of three species shellfish were collected from thirteen points of estuarine tidal flats around the Bohai Gulf and screened for HEV RNA using an in-house nested RT-PCR assay. The detected HEV-positive samples were further verified by gene cloning and sequencing analysis. Results : the overall HEV-positive detection rate is approximately 17.5% per kilogram of shellfish. HEV was more common among S. subcrenata (28.2%), followed by A. granosa (14.3%) and R. philippinarum (11.5%). The phylogenetic analysis of the 13 HEV strains detected revealed that gene fragments fell into two known 4 sub-genotypes (4b/4d) groups and another unknown group. Conclusions : 13 different sub-genotype 4 HEVs were found in contaminated shellfish in the Bohai Gulf rim. The findings suggest that a health risk may exist for users of waters in the Bonhai area and to consumers of shellfish. Further research is needed to assess the sources and infectivity of HEV in these settings, and to evaluate additional shellfish harvesting areas.

Suggested Citation

  • Shenyang Gao & Dandan Li & Enhui Zha & Tiezhong Zhou & Shen Wang & Xiqing Yue, 2015. "Surveillance of Hepatitis E Virus Contamination in Shellfish in China," IJERPH, MDPI, vol. 12(2), pages 1-11, February.
    • Handle: RePEc:gam:jijerp:v:12:y:2015:i:2:p:2026-2036:d:45755
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    Citations

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    Cited by:

    1. Samuel Dorevitch, 2015. "Health Effects of Waterborne Contaminants: A Focus on Emerging Concerns," IJERPH, MDPI, vol. 12(10), pages 1-3, October.
    2. Huseyin YILMAZ & Utku CIZMECIGIL & Eda Altan TARAKCI & Ozge AYDIN & Aysun YILMAZ & Mehmet CALICIOGLU & Gurhan CIFTCIOGLU & Ali AYDIN & Kamil BOSTAN & Tansel SIRELI & Mine GUZEL & Asiye KARAKULLUKCU & , 2018. "Investigation of hepatitis A and E viruses in mussels collected from the Bosphorus, in Istanbul, Turkey - short communication," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 36(3), pages 215-220.

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