About: Fatal disease associated with Swine Hepatitis E virus and Porcine circovirus 2 co-infection in four weaned pigs in China

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About: Fatal disease associated with Swine Hepatitis E virus and Porcine circovirus 2 co-infection in four weaned pigs in China Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Fatal disease associated with Swine Hepatitis E virus and Porcine circovirus 2 co-infection in four weaned pigs in China
Creator	Li, Wei Shi, Ruihan Cheng, Minheng Liu, Can Liu, Jianchai Mao, Jingjing She, Ruiping Wang, Xiaoyang Yang, Yifei Zhao, Yue Zhu, Rining Hussain, Majid
Source	Medline; PMC
abstract	BACKGROUND: In recent decades, Porcine circovirus 2 (PCV2) infection has been recognized as the causative agent of postweaning multisystemic wasting syndrome, and has become a threat to the swine industry. Hepatitis E virus (HEV) is another high prevalent pathogen in swine in many regions of the world. PCV2 and HEV are both highly prevalent in pig farms in China. CASE PRESENTATION: In this study, we characterized the HEV and PCV2 co-infection in 2–3 month-old piglets, based on pathogen identification and the pathological changes observed, in Hebei Province, China. The pathological changes were severe, and general hyperemia, hemorrhage, inflammatory cell infiltration, and necrosis were evident in the tissues of dead swine. PCR was used to identify the pathogen and we tested for eight viruses (HEV, Porcine reproductive and respiratory syndrome virus, PCV2, Classical swine fever virus, Porcine epidemic diarrhea virus, Transmissible gastroenteritis coronavirus, Porcine parvovirus and Pseudorabies virus) that are prevalent in Chinese pig farms. The livers, kidneys, spleens, and other organs of the necropsied swine were positive for HEV and/or PCV2. Immunohistochemical staining showed HEV- and PCV2-antigen-positive signals in the livers, kidneys, lungs, lymph nodes, and intestine. CONCLUSION: HEV and PCV2 co-infection in piglets was detected in four out of seven dead pigs from two pig farms in Hebei, China, producing severe pathological changes. The natural co-infection of HEV and PCV2 in pigs in China has rarely been reported. We speculate that co-infection with PCV2 and HEV may bring some negative effect on pig production and recommend that more attention should be paid to this phenomenon.
has issue date	2015-03-26(xsd:dateTime)
bibo:doi	10.1186/s12917-015-0375-z
bibo:pmid	25889526
has license	cc-by
sha1sum (hex)	f1a107788ce585f3f5a7daa6b2eaf55997935192
schema:url	https://doi.org/10.1186/s12917-015-0375-z
resource representing a document's title	Fatal disease associated with Swine Hepatitis E virus and Porcine circovirus 2 co-infection in four weaned pigs in China
has PubMed Central identifier	PMC4379595
has PubMed identifier	25889526
schema:publication	BMC Vet Res
resource representing a document's body	covid:f1a107788ce585f3f5a7daa6b2eaf55997935192#body_text
is schema:about of	named entity 'causative' named entity 'THREAT' covid:arg/f1a107788ce585f3f5a7daa6b2eaf55997935192 named entity 'SWINE' named entity 'PIG' named entity 'CAUSATIVE AGENT' named entity 'FARMS' named entity 'HEV' named entity 'PATHOGEN' named entity 'INFECTION' named entity 'PORCINE CIRCOVIRUS 2' named entity 'RECENT' named entity 'CHINA' named entity 'REGIONS' named entity 'POSTWEANING MULTISYSTEMIC WASTING SYNDROME' named entity 'BACKGROUND' named entity 'PREVALENT' named entity 'INDUSTRY' named entity 'HIGH' named entity 'WORLD' named entity 'HEPATITIS E VIRUS' named entity 'industry' named entity 'Porcine circovirus' named entity 'pig' named entity 'infection' named entity 'China' named entity 'swine' named entity 'infection' named entity 'PCV2' named entity 'postweaning multisystemic wasting syndrome' named entity 'antigen' named entity 'lymph nodes' named entity 'hyperemic' named entity 'hepatocytes' named entity 'genotypes' named entity 'liver' named entity 'cutthroat trout' named entity 'antigen' named entity 'PCR' named entity 'pig farms' named entity 'lung' named entity 'co-infection' named entity 'China' named entity 'edema' named entity 'diarrhea' named entity 'lymph nodes' named entity 'infection' named entity 'PRV' named entity 'lung' named entity 'gut-associated lymphoid tissue' named entity 'inguinal lymph nodes' named entity 'liver' named entity 'antibody' named entity 'histopathological' named entity 'pig' named entity 'domestic pigs' named entity 'infection' named entity 'HEV' named entity 'HEV' named entity 'cytoplasm' named entity 'HEV' named entity 'necrosis' named entity 'pig farm' named entity 'HEV' named entity 'synergistic effect' named entity 'informed consent' named entity 'HEV' named entity 'China' named entity 'pathogen' named entity 'pig production'

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