期刊
JOURNAL OF VIRAL HEPATITIS
卷 28, 期 1, 页码 196-204出版社
WILEY
DOI: 10.1111/jvh.13396
关键词
Europe; Germany; hepatitis E; meat; pork products; zoonosis
资金
- German Federal Ministry of Education and Research [BMBF01DP19006A, BMBF01DP17047]
- German Federal Ministry of Health [ZMVI1-2518FSB705]
Hepatitis E virus is a common cause of hepatitis worldwide, with prevalence in pork products in Germany indicating a considerable risk of infection. Most strains belong to subtype HEV-3c, with mutations being mostly synonymous. Precautionary measures should be taken according to a One Health approach.
The hepatitis E virus (HEV) is one of the most common causes of hepatitis worldwide. HEV is also widespread in many developed countries, where the number of infections is steadily increasing. In those countries, the virus is transmitted mainly through consumption of undercooked or raw food or through contact with animals. Especially, pigs serve as a main reservoir of HEV. Here, we investigated the prevalence of HEV RNA in pork livers and pork meat products to assess the actual risk of HEV infection through food consumption in Germany. A total of 131 pork products were collected from grocery stores and butcher shops between October 2019 and February 2020 and screened for HEV RNA using nested PCR and subsequent sequencing. Overall, 10% of the samples were positive for HEV, including pork livers (5%), spreadable liver sausages (13%) and liver pate samples (15%). Sequence analyses indicated that the large majority of HEV strains belonged to subtype HEV-3c, representing the most frequent subtype in Germany. One sample belonged to subtype HEV-3f. Further sequence analysis revealed large sequence variation between the samples; however, most of the mutations identified were synonymous. Although infectivity of the virus was not tested, the results suggest a considerable risk of HEV infection through food consumption. Therefore, preventive measures should be taken according to a One Health approach.
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