ArticleJournal of veterinary science2022
Epidemiological investigation and phylogenetic analysis of Classical Swine Fever virus in Yunnan province from 2015 to 2021.
Article in Journal of veterinary science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Global prevalence of classical swine fever in domestic pigs: an integrative systematic review and meta-analysis.Tropical animal health and production · 2026Pooled it
- Epidemiological analysis, risk factors, and spatial-temporal clustering of classical swine fever virus in China.Porcine health management · 2026Article
- Classical Swine Fever Virus Envelope Glycoproteins EBiomolecules · 2025Article
- Development of a triplex crystal digital RT-PCR for the detection of PHEV, PRV, and CSFV.Frontiers in veterinary science · 2024Article
- The regulation of cell homeostasis and antiviral innate immunity by autophagy during classical swine fever virus infection.Emerging microbes & infections · 2023Article
- Development of a quadruplex real-time quantitative RT-PCR for detection and differentiation of PHEV, PRV, CSFV, and JEV.Frontiers in veterinary science · 2023Article
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
backgroundClassical swine fever virus (CSFV), the causative agent of classical swine fever (CFS), is a highly contagious disease that poses a serious threat to Chinese pig populations.
objectivesMany provinces of China, such as Shandong, Henan, Hebei, Heilongjiang, and Liaoning provinces, have reported epidemics of CSFV, while the references to the epidemic of CSFV in Yunnan province are rare. This study examined the epidemic characteristics of the CSFV in Yunnan province.
methodsIn this study, 326 tissue samples were collected from different regions in Yunnan province from 2015 to 2021. A reverse transcription-polymerase chain reaction (RT-PCR), sequences analysis, and phylogenetic analysis were performed for the pathogenic detection and analysis of these 326 clinical specimens.
resultsApproximately 3.37% (11/326) of specimens tested positive for the CSFV by RT-PCR, which is lower than that of other regions of China. Sequence analysis of the partial E2 sequences of eleven CSFV strains showed that they shared 89.0-100.0% nucleotide (nt) and 95.0-100.0% amino acid (aa) homology, respectively. Phylogenetic analysis showed that these novel isolates belonged to the subgenotypes 2.1c and 2.1d, with subgenotype 2.1c being predominant.
conclusionsThe CSFV was sporadic in China's Yunnan province from 2015 to 2021. Both 2.1c and 2.1d subgenotypes were found in this region, but 2.1c was dominant.
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