PREVALENCE OF HEPATITIS E VIRUS AND PORCINE CALICIVIRUSES IN PIG FARMS OF GUIZHOU PROVINCE, CHINA

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SHEN QUAN; REN RONGQING; ZHANG WEN; YANG ZHIBIAO; YANG SHIXING; CHEN YAN; CUI LI; HUA XIUGUO

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Journal: Hepatitis Monthly Year:2011 | Volume:11 | Issue:6 (35) Page(s): 459-463

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Title

PREVALENCE OF HEPATITIS E VIRUS AND PORCINE CALICIVIRUSES IN PIG FARMS OF GUIZHOU PROVINCE, CHINA

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Keywords

HEPATITIS E VIRUS

PORCINE

CALICIVIRUSES

GENETIC DIVERSITY

Abstract

Backgroud: HEPATITIS E VIRUS (HEV) and CALICIVIRUSES are enteric pathogens of humans and animals, and pigs have been considered an important reservoir of these viruses.Objectives: The aim of this study is to determine the infection rates of HEV and CALICIVIRUSES (sapovirus [SaV] and norovirus [NoV] ) in different age groups of pigs in Guizhou province, China, and characterize the strains that are prevalent in this mountainous area.Materials and Methods: A total of 209 stool samples from healthy pigs of different ages were collected from 6 pig farms in Guizhou province from May to June 2009 and tested for HEV, SaV, and NoV by reverse-transcription polymerase chain reaction (RT-PCR).Results: The overall prevalence of PORCINE HEV and PORCINE SaV was 6.7% (15/209) and 1.0% (2/209), respectively. No NoV was detected. The prevalence rates of PORCINE HEV infection were 15.4% in piglets aged<1 mon (4/26), 6.8% in piglets aged between 1 and 4 mon (3/44), 12.5% in piglets aged » 4 mon (6/48), and 1.1% in sows aged between 6 and 14 mon (2/91). PORCINE SaV was detected only in piglets (7.7%, 2/26). All 10 HEV isolates belonged to genotype 4, clustering with a human HEV strain (AF103940) from an adjacent province.Conclusions: This is the first report on the existence of PORCINE SaV in swine in Guizhou province, China. The clustering of the PORCINE HEV isolates with a human strain suggests cross-species transmission between swine and humans in this area.

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APA: Copy

SHEN, QUAN, REN, RONGQING, ZHANG, WEN, YANG, ZHIBIAO, YANG, SHIXING, CHEN, YAN, CUI, LI, & HUA, XIUGUO. (2011). PREVALENCE OF HEPATITIS E VIRUS AND PORCINE CALICIVIRUSES IN PIG FARMS OF GUIZHOU PROVINCE, CHINA. HEPATITIS MONTHLY, 11(6 (35)), 459-463. SID. https://sid.ir/paper/306418/en

Vancouver: Copy

SHEN QUAN, REN RONGQING, ZHANG WEN, YANG ZHIBIAO, YANG SHIXING, CHEN YAN, CUI LI, HUA XIUGUO. PREVALENCE OF HEPATITIS E VIRUS AND PORCINE CALICIVIRUSES IN PIG FARMS OF GUIZHOU PROVINCE, CHINA. HEPATITIS MONTHLY[Internet]. 2011;11(6 (35)):459-463. Available from: https://sid.ir/paper/306418/en

IEEE: Copy

QUAN SHEN, RONGQING REN, WEN ZHANG, ZHIBIAO YANG, SHIXING YANG, YAN CHEN, LI CUI, and XIUGUO HUA, “PREVALENCE OF HEPATITIS E VIRUS AND PORCINE CALICIVIRUSES IN PIG FARMS OF GUIZHOU PROVINCE, CHINA,” HEPATITIS MONTHLY, vol. 11, no. 6 (35), pp. 459–463, 2011, [Online]. Available: https://sid.ir/paper/306418/en

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