Animal reservoirs for hepatitis E virus within the Paslahepevirus genus

被引:31
作者
Ahmed, Romasa [1 ,2 ]
Nasheri, Neda [1 ,3 ]
机构
[1] Hlth Canada, Natl Food Virol Reference Ctr, Bur Microbial Hazards, Ottawa, ON, Canada
[2] McGill Univ, Fac Agr & Environm Sci, Macdonald Campus, Ste Anne De Bellevue, PQ, Canada
[3] Univ Ottawa, Fac Med, Dept Biochem Microbiol & Immunol, Ottawa, ON, Canada
关键词
Hepatitis E virus; Host range; Zoonosis; Animal reservoir; Food safety; Climate change; ANTI-HEV ANTIBODIES; SEROLOGICAL EVIDENCE; WILD BOAR; MOLECULAR CHARACTERIZATION; ZOONOTIC TRANSMISSION; PHYLOGENETIC ANALYSIS; ZOO ANIMALS; E INFECTION; FOOD-BORNE; PIG-LIVER;
D O I
10.1016/j.vetmic.2022.109618
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Hepatitis E virus (HEV) is responsible for acute hepatitis in humans. It is a single-stranded, positive-sense RNA virus that belongs to the Hepeviridae family. The majority of concerning HEV genotypes belong to the Paslahe-pevirus genus and are subsequently divided into eight genotypes. HEV genotypes 1 and 2 exclusively infect humans and primates while genotypes 3 and 4 infect both humans and other mammals. Whereas HEV genotypes 5 and 6 are isolated from wild boars and genotypes 7 and 8 were identified from camels in the United Arab Emirates and China, respectively. HEV mainly spreads from humans to humans via the fecal-oral route. However, some genotypes with the capability of zoonotic transmissions, such as 3 and 4 transmit from animals to humans through feces, direct contact, and ingestion of contaminated meat products. As we further continue to uncover novel HEV strains in various animal species, it is becoming clear that HEV has a broad host range. Therefore, understanding the potential animal reservoirs for this virus will allow for better risk management and risk mitigation of infection with HEV. In this review, we mainly focused on animal reservoirs for the members of the species Paslahepevirus balayani and provided a comprehensive list of the host animals identified to date.
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页数:9
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