保加利亚东巴尔干地区猪群中戊型肝炎病毒感染的高血清流行率：初步结果
High Seroprevalence of Hepatitis E Virus Infection Among East Balkan Swine () in Bulgaria: Preliminary Results.
作者信息
Tsachev Ilia, Baymakova Magdalena, Pepovich Roman, Palova Nadezhda, Marutsov Plamen, Gospodinova Krasimira, Kundurzhiev Todor, Ciccozzi Massimo
机构信息
Department of Microbiology, Infectious and Parasitic Diseases, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, Bulgaria.
Department of Infectious Diseases, Military Medical Academy, 1606 Sofia, Bulgaria.
出版信息
Pathogens. 2020 Nov 3;9(11):911. doi: 10.3390/pathogens9110911.
The East Balkan swine () is the only aboriginal pig breed in Bulgaria, and it is indigenous to the eastern part of the country. The aim of the present study was to investigate East Balkan swine (EBS) in Bulgaria for serological evidence of hepatitis E virus (HEV). Sera from 171 swine from two parts of the country (northeastern and southeastern) were tested for anti-HEV IgG antibodies. The overall HEV seroprevalence was 82.5% (141/171), and for weaners it was 77.2% (44/57), for fattening pigs 79.0% (45/57), and for adults 91.2% (52/57). HEV positivity was higher in fattening pigs and adults compared to weaners: OR = 1.108 (95% CI: 0.456-2.692) and OR = 3.073 (95% CI: 1.016-9.294), respectively. This study provides the first evidence of exposure to HEV in EBS from Bulgaria.
东巴尔干猪（ ）是保加利亚唯一的本土猪品种，原产于该国东部地区。本研究的目的是调查保加利亚的东巴尔干猪（EBS）是否有戊型肝炎病毒（HEV）感染的血清学证据。对来自该国两个地区（东北部和东南部）的171头猪的血清进行了抗HEV IgG抗体检测。HEV总体血清阳性率为82.5%（141/171），断奶仔猪为77.2%（44/57），育肥猪为79.0%（45/57），成年猪为91.2%（52/57）。与断奶仔猪相比，育肥猪和成年猪的HEV阳性率更高：比值比分别为1.108（95%置信区间：0.456 - 2.692）和3.073（95%置信区间：1.016 - 9.294）。本研究首次提供了保加利亚东巴尔干猪接触HEV的证据。
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