Evidence of Active Orbivirus Transmission in 2016 in Kansas and Nebraska

Retrospective serological and case diagnostic data of endemic bluetongue virus (BTV) and epizootic hemorrhagic disease virus (EHDV) provide evidence of viral transmission among livestock and wildlife from 2016 in Kansas and Nebraska. Serological testing of mature cattle in nine distinct regional zon...

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Bibliographic Details
Published inVector borne and zoonotic diseases (Larchmont, N.Y.)
Main Authors McVey, David Scott, Hanzlicek, Greg, Ruder, Mark G, Loy, Dustin, Drolet, Barbara S
Format Journal Article
LanguageEnglish
Published United States 01.06.2024
Subjects
Kansas
bluetongue virus
epizootic hemorrhagic disease virus
surveillance
serology
Nebraska
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Summary:Retrospective serological and case diagnostic data of endemic bluetongue virus (BTV) and epizootic hemorrhagic disease virus (EHDV) provide evidence of viral transmission among livestock and wildlife from 2016 in Kansas and Nebraska. Serological testing of mature cattle in nine distinct regional zones of Kansas revealed 76% to 100% had detectable antibodies to BTV and/or EHDV. Specimens tested in the Kansas Veterinary Diagnostic Laboratory (55 submissions) were 51% test positive for antibodies to BTV and/or EHDV. Specimens tested in the Nebraska Veterinary Diagnostic Center (283 submissions) were 25% test positive for antibodies to BTV and/or EHDV. Low disease incidence in white-tailed deer and other susceptible wild ungulates was observed during 2016. However, there were no confirmed reports of disease in livestock in either state. The reasons for emergence of significant clinical disease in livestock and wildlife populations remain undefined.
ISSN:1557-7759
DOI:10.1089/vbz.2022.0096