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Relationships of bovine ephemeral fever epizootics to population immunity and virus variation.

Abstract
Bovine ephemeral fever is an arthropod-borne bovine viral disease caused by infection with bovine ephemeral fever virus which belongs to genus Ephemerovirus within the family Rhabdoviridae. In this study, serological data and virological information about the disease and the virus, spanning from 2001 to 2013, were employed to analyze the relationships of bovine ephemeral fever epizootics to population immunity and virus variation. National and regional surveillance data indicated that 2 of the 3 major epizootics and 87% regional outbreaks were associated with lower neutralizing antibody titers and immunity coverage, reflecting the importance of population immunity for the control of bovine ephemeral fever. Phylogenetic analysis and sequence comparison demonstrated that Taiwanese bovine ephemeral fever viruses were >96.0% and >97.6% similar to the East Asian isolates in nucleotide and amino acid sequences, respectively. These analyses supported that the Taiwanese viruses shared the same gene pool with the strains of the other East Asian countries, mainly Japan.
AuthorsLu-Jen Ting, Ming-Shiuh Lee, Shu-Hwae Lee, Hsiang-Jung Tsai, Fan Lee
JournalVeterinary microbiology (Vet Microbiol) Vol. 173 Issue 3-4 Pg. 241-8 (Oct 10 2014) ISSN: 1873-2542 [Electronic] Netherlands
PMID25175802 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't)
CopyrightCopyright © 2014 Elsevier B.V. All rights reserved.
Chemical References
  • DNA Primers
Topics
  • Amino Acid Sequence
  • Animals
  • Base Sequence
  • Cattle
  • Cluster Analysis
  • DNA Primers (genetics)
  • Disease Outbreaks (veterinary)
  • Ephemeral Fever (epidemiology, immunology, virology)
  • Ephemeral Fever Virus, Bovine (genetics, immunology)
  • Epidemiological Monitoring (veterinary)
  • Genetic Variation
  • Immunity, Herd (immunology)
  • Molecular Sequence Data
  • Phylogeny
  • Prevalence
  • Reverse Transcriptase Polymerase Chain Reaction (veterinary)
  • Sequence Analysis, DNA (veterinary)
  • Sequence Homology
  • Taiwan (epidemiology)

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