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- W3123237567 abstract "Abstract BACKGROUND: Hepatitis E virus (HEV) is a nonenveloped RNA virus causing Hepatitis E worldwide. An increasing transfusion transmission cases of HEV infections from asymptomatic blood donors which causing serious illnesses in immunosuppressed recipients have been reported in the past few years. China is one of the highly prevalent regions of HEV, it is important to evaluate the risk of HEV transmission from blood transfusion. METHODS: A total of 1864 serum samples from blood donors and demographic characteristics were randomly collected from Feb to Mar 2018 in Dali city. Anti-HEV IgG, IgM and IgA antibodies and HEV antigen were examined by enzyme-linked immunosorbent assay (ELISA). HEV RNA was detected by real-time PCR. Multivariable logistic regression modelling was used to examine risk factors associated with HEV prevalence. RESULTS : Overall, the positive rate of anti-HEV IgG, IgM, and IgA antibodies was 13.36% (249/1864), 1.13%(21/1864), and 1.82%(34/1864), respectively. However, none of the 1864 serum samples was detected as HEV antigen-positive nor HEV RNA positive. The positive rate of anti-HEV IgG antibody is high as 28.57% (2/7) in the donors with isolated elevated alanine aminotransferase (ALT). Females (16.69%) had a significantly higher HEV seroprevalence than males (13.04%) (odds ratio [OR]: 1.34 [95% CI, 1.02-1.75]). Other ethnic minority (24.32%) and Bai (18.85%) donors had a significantly higher HEV seroprevalence when compared to Han (12.21%) blood donors (odds ratio [OR], 2.25 [95% CI, 1.04-4.88] for other ethnic minority, 1.65 [95% CI, 1.24-2.19] for Bai). Conclusions : Dali, Yunnan province, China is an endemic region f of hepatitis E virus, and women, Bai and other ethnic minorities may be potential risk factors for hepatitis E virus infection.. The risk of transmission of hepatitis E virus through blood transfusion is relatively low, and the specific risk value needs to be further tested by expanding the sample size. Whether to formulate the strategy for HEV screening in blood center needed further researched." @default.
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- W3123237567 date "2021-01-26" @default.
- W3123237567 modified "2023-10-01" @default.
- W3123237567 title "Low Hepatitis E virus prevalence among blood donor in Dali in China" @default.
- W3123237567 doi "https://doi.org/10.21203/rs.3.rs-118265/v2" @default.
- W3123237567 hasPublicationYear "2021" @default.
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