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Abbasi S, Makvandi M, Karimi G, et al. The Prevalence of SEN Virus and Occult Hepatitis B (OBI) Virus Infection Among Blood Donors in Ahvaz City. Jundishapur J Microbiol. 2016;9(7):e37329doi: 10.5812/jjm.37329.
Abbasi, S., Makvandi, M., Karimi, G., & Neisi, N. (2016). The Prevalence of SEN Virus and Occult Hepatitis B (OBI) Virus Infection Among Blood Donors in Ahvaz City. Jundishapur journal of microbiology, 9(7), e37329. https://doi.org/10.5812/jjm.37329
Abbasi, Samaneh, et al. "The Prevalence of SEN Virus and Occult Hepatitis B (OBI) Virus Infection Among Blood Donors in Ahvaz City." Jundishapur journal of microbiology vol. 9,7 (2016): e37329. doi: https://doi.org/10.5812/jjm.37329
Abbasi S, Makvandi M, Karimi G, Neisi N. The Prevalence of SEN Virus and Occult Hepatitis B (OBI) Virus Infection Among Blood Donors in Ahvaz City. Jundishapur J Microbiol. 2016 Jul 03;9(7):e37329. doi: 10.5812/jjm.37329. eCollection 2016 Jul. PMID: 27679708; PMCID: PMC5035438.
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Jundishapur J Microbiol. 2016 Jul 03;9(7):e37329. doi: 10.5812/jjm.37329. eCollection 2016 Jul.

The Prevalence of SEN Virus and Occult Hepatitis B (OBI) Virus Infection Among Blood Donors in Ahvaz City.

Jundishapur journal of microbiology

Samaneh Abbasi, Manoochehr Makvandi, Gharib Karimi, Niloofar Neisi

Affiliations

  1. Health Research Institute, Infectious and Tropical Disease Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran; Department of Virology, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran.
  2. Iranian Blood Transfusion Organization (IBTO), Tehran, IR Iran.
  3. Department of Virology, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IR Iran.

PMID: 27679708 PMCID: PMC5035438 DOI: 10.5812/jjm.37329

Abstract

BACKGROUND: The SEN virus (SENV) is a prevalent blood borne pathogen that has a worldwide incidence. SENV is comprised of eight genotypes; genotypes H and D are frequently associated with the pathogenesis of non-A - E hepatitis and post-transfusion hepatitis in blood donors and hepatitis patients. So far, no SENV pathogenesis has been reported in the liver biopsies of SENV carriers, but the frequency of SENV and its related genotypes requires further molecular epidemiology studies in different regions of the world. Occult hepatitis B infection (OBI) is another global public health problem that is primarily transmitted via blood transfusions. Therefore, the identification of OBI among blood donors is key to preventing the spread of this disease. The relationship between SENV and OBI requires further evaluation.

OBJECTIVES: The aim of this study was to determine the prevalence of SENV-D and SENV-H in blood donors in Ahvaz city with a particular focus on co-infection with OBI.

PATIENTS AND METHODS: This study had a cross-sectional design and included 184 healthy consecutive blood donors who visited a blood transfusion center in Ahvaz city from October-November 2013. The sera of all blood donors negative for HBsAg, anti-HCV antibody, and anti-HIV antibody were tested for SENV-D and SENV-H using nested polymerase chain reaction (PCR). In addition, tests for HBV DNA (PCR), HBcIgG (ELISA), liver function (aspartate transaminase and alanine transaminase), and alkaline phosphatase were carried out.

RESULTS: Liver function tests in the healthy blood donors were within the normal range. The incidence rates of SENV-D and SENV-H in the 184 total blood donors were 10 (5.4%) (95% confidence interval (CI): 2.1% - 9.0%) and 32 (17.4%) cases (95% CI: 12.0% - 23.0%), respectively. SENV-H/D co-infection occurred in 2 (1.1%) patients. The sera of 8/184 (4.3%) were positive for anti-HBc antibody but negative for HBV DNA.

CONCLUSIONS: Regardless of the presence of nonpathogenic SENV, 44/184 (24%) blood donors tested positive for both SENV-D and SENV-H. Although 4.3% of blood donors were positive for HBcIgG but negative for HBV DNA, the presence of OBI cannot be ruled out unless their liver biopsies show negative for HBV DNA.

Keywords: Blood Donor; Chronic Hepatitis B Infection; Polymerase Chain Reaction; SEN Virus; Transfusion Transmitted Virus

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