ArticleVeterinary medicine and science2021
Pathology of the outbreak of subgenotype 2.5 classical swine fever virus in northern Vietnam.
Article in Veterinary medicine and science, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 17 citations in OpenAlex.
- Metavirome Identification and Pathogenicity Evaluation of Tibet Orbivirus in Pigs.Transboundary and emerging diseases · 2025Article
- Classical swine fever: Unveiling the complexity through a multifaceted approach.Open veterinary journal · 2024Review
- Article
- Intracellular Vimentin Regulates the Formation of Classical Swine Fever Virus Replication Complex through Interaction with NS5A Protein.Journal of virology · 2023Article
- Complete genome sequences of classical swine fever virus: Phylogenetic and evolutionary analyses.Frontiers in microbiology · 2022Article
- Abrogation of the RNase activity of EVirulence · 2021Article
- Determination of Intestinal Viral Loads and Distribution of Bovine Viral Diarrhea Virus, Classical Swine Fever Virus, and Peste Des Petits Ruminants Virus: A Pilot Study.Pathogens (Basel, Switzerland) · 2021Article
- Pathological investigation and viral antigen distribution of emerging African swine fever in Vietnam.Transboundary and emerging diseases · 2021Article
- A Critical Review about Different Vaccines against Classical Swine Fever Virus and Their Repercussions in Endemic Regions.Vaccines · 2021Review
- Pathology of the outbreak of subgenotype 2.5 classical swine fever virus in northern Vietnam.Veterinary medicine and science · 2021Article
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Classical swine fever (CSF) is an endemic disease in southeastern Asia and is one of the most important swine diseases in Vietnam. This study was conducted to characterize the pathology of natural cases of CSF in northern Vietnam in 2018 and their genetic prevalence. A total of 10 representative pigs were collected from four provinces (Hung Yen, Ha Noi, Quang Ninh and Thai Binh) during five outbreaks and examined pathologically. The gross and histopathological findings showed the disease was expressed as the acute or the subacute to chronic form of CSF, depending on the age of the animals. The most consistently observed lesions associated with infection by the classical swine fever virus (CSFV) included lymphoid depletions in tonsils, lymph node and spleen; histiocytic hyperplasia in spleen; cerebral haemorrhage; perivascular cuffing in the brain; renal erythrodiapedesis; urothelial vacuolation and degeneration and interstitial pneumonia. The immunohistochemical findings showed a ubiquitous CSFV antigen mainly in the monocytes/macrophages and in the epithelial and endothelial cells in various organs. CSFV neurotropism was also found in the small neurons of the cerebrum and the ganglia of the myenteric plexus. Analysis of the full-length envelope protein (E2) genome sequence showed that all strains were genetically clustered into subgenotype 2.5, sharing a nucleotide identity of 94.0%-100.00%. Based on the results of this study, the strain was categorized as a moderately virulent CSFV.
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