Past, present and future of hepatitis E virus infection: Zoonotic perspectives

被引:18
|
作者
Syed, Shahid Faraz [1 ]
Zhao, Qin [2 ]
Umer, Muhammad [1 ]
Alagawany, Mahmoud [3 ]
Ujjan, Imtiaz Ahmed [4 ]
Soomro, Feroza [5 ]
Bangulzai, Nasrullah [1 ]
Baloch, Abdul Hameed [1 ]
Abd El-Hack, Mohamed [3 ]
Zhou, En-Min [2 ]
Arain, Muhammad Asif [1 ]
机构
[1] Lasbella Univ Agr Water & Marine Sci, Fac Vet & Anim Sci, Uthal 3800, Balochistan, Pakistan
[2] Northwest A&F Univ, Coll Vet Med, Dept Prevent Vet Med, Yangling 712100, Shaanxi, Peoples R China
[3] Zagazig Univ, Fac Agr, Dept Poultry, Zagazig 44511, Egypt
[4] Sindh Agr Univ, Fac Anim Husb & Vet Sci, Tandojam, Pakistan
[5] Sindh Agr Univ, Fac Anim Husb & Vet Sci, Dept Vet Parasitol, Tandojam, Pakistan
基金
中国国家自然科学基金;
关键词
Hepatitis E virus; Zoonosis; Reservoirs; Transmission; Vaccine; NON-B-HEPATITIS; CAPSID PROTEIN; GENOTYPES; E VACCINE; SPORADIC ACUTE; LIVER SAUSAGE; RISK-FACTORS; WILD BOARS; PIG-LIVER; NON-A;
D O I
10.1016/j.micpath.2018.03.051
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
The origin of hepatitis E virus (HEV) is not fully understood, but it is considered an emerging zoonotic pathogen. To date, HEV has been isolated from many animal species. The family Hepeviridae consists of two genera. The genus Orthohepevirus includes four distinct species (A, B, C, and D), each with distinct genotypes. Within the Orthohepevirus A species, HEV-1 and HEV-2 host ranges are restricted to humans, whereas genotypes 3 and 4 primarily infect a wide range of diverse animal species, in addition to being zoonotic to humans. Swine and wild boar species were previously thought to be the primary natural HEV reservoir, but recently rabbits have also been identified as major carriers. Moreover, increasing the number of HEV infections within the food supply chain underscore the important role of fanning and food processing practices in limiting virus transmission. Notably, a Chinese commercial vaccine has the potential to protect humans and possibly animal reservoirs from HEV infection. This review summarizes the status of HEV infection worldwide in different animal species and outlines various modes of zoonotic transmission, with reference to cross-species transmission and recent vaccine developments.
引用
收藏
页码:103 / 108
页数:6
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