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Volume 13
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10.3390/v13030492
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Article

Seroprevalence of Hepatitis E Virus Infection among Blood Donors in Bulgaria

by
Magdalena Baymakova
1,*,
Krasimira Terzieva
2,
Rumen Popov
2,
Elisaveta Grancharova
2,
Todor Kundurzhiev
3,
Roman Pepovich
4 and
Ilia Tsachev
5
1
Department of Infectious Diseases, Military Medical Academy, 1606 Sofia, Bulgaria
2
Center of Transfusion Hematology, Military Medical Academy, 1606 Sofia, Bulgaria
3
Department of Occupational Medicine, Faculty of Public Health, Medical University, 1527 Sofia, Bulgaria
4
Department of Infectious Pathology, Hygiene, Technology and Control of Foods from Animal Origin, Faculty of Veterinary Medicine, University of Forestry, 1797 Sofia, Bulgaria
5
Department of Microbiology, Infectious and Parasitic Diseases, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, Bulgaria
*
Author to whom correspondence should be addressed.
Viruses 2021, 13(3), 492; https://doi.org/10.3390/v13030492
Submission received: 26 February 2021 / Revised: 12 March 2021 / Accepted: 15 March 2021 / Published: 16 March 2021
(This article belongs to the Special Issue Emerging Zoonotic Viral Diseases)
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Abstract

Hepatitis E virus (HEV) infection is widespread among domestic pigs, industrial swine, and wild boars in Bulgaria. The aim of the current research was to present the HEV seroprevalence among blood donors in Bulgaria. In the present study, 555 blood donors (479 males and 76 females) were enrolled from five districts in the country (Shumen, Pleven, Stara Zagora, Plovdiv, and Sofia districts). All blood samples were tested for anti-HEV IgG using the recomWell HEV IgG ELISA test (Mikrogen GmbH, Neuried, Germany). Each participating donor completed a short, structured, and specific questionnaire to document data on the current study. Anti-HEV IgG positive results were detected in 144 (25.9%) blood donors, including 129 (26.9%) males and 15 (19.7%) females. The established HEV seropositivity was 28.8% (23/80) in Shumen district, 23.2% (22/95) in Pleven district, 27.1% (38/140) in Stara Zagora district, 27.5% (44/160) in Plovdiv district, and 21.3% (17/80) in Sofia district. A high HEV seroprevalence was found for persons who declared that they were general hunters (48.7%; 19/39; p = 0.001) and hunters of wild boars (51.6%; 16/31; p = 0.001). We present the first seroprevalence rates of HEV infection in blood donors from Bulgaria. The results of our research showed high HEV seropositivity among blood donors.
Keywords: hepatitis E virus; blood donors; seroprevalence; Bulgaria hepatitis E virus; blood donors; seroprevalence; Bulgaria

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MDPI and ACS Style

Baymakova, M.; Terzieva, K.; Popov, R.; Grancharova, E.; Kundurzhiev, T.; Pepovich, R.; Tsachev, I. Seroprevalence of Hepatitis E Virus Infection among Blood Donors in Bulgaria. Viruses 2021, 13, 492. https://doi.org/10.3390/v13030492

AMA Style

Baymakova M, Terzieva K, Popov R, Grancharova E, Kundurzhiev T, Pepovich R, Tsachev I. Seroprevalence of Hepatitis E Virus Infection among Blood Donors in Bulgaria. Viruses. 2021; 13(3):492. https://doi.org/10.3390/v13030492

Chicago/Turabian Style

Baymakova, Magdalena, Krasimira Terzieva, Rumen Popov, Elisaveta Grancharova, Todor Kundurzhiev, Roman Pepovich, and Ilia Tsachev. 2021. "Seroprevalence of Hepatitis E Virus Infection among Blood Donors in Bulgaria" Viruses 13, no. 3: 492. https://doi.org/10.3390/v13030492

APA Style

Baymakova, M., Terzieva, K., Popov, R., Grancharova, E., Kundurzhiev, T., Pepovich, R., & Tsachev, I. (2021). Seroprevalence of Hepatitis E Virus Infection among Blood Donors in Bulgaria. Viruses, 13(3), 492. https://doi.org/10.3390/v13030492

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