An Embryonated Egg Transmission Model for Epizootic Hemorrhagic Disease Virus | Zendy

Kishana Taylor | Zendy; Mark G. Ruder | Zendy; Daniel G. Mead | Zendy; David E. Stallknecht | Zendy

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An Embryonated Egg Transmission Model for Epizootic Hemorrhagic Disease Virus

Author(s) -

Kishana Taylor,

Mark G. Ruder,

Daniel G. Mead,

David E. Stallknecht

Publication year - 2020

Publication title -

vector-borne and zoonotic diseases

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.839

H-Index - 73

eISSN - 1557-7759

pISSN - 1530-3667

DOI - 10.1089/vbz.2019.2590

Subject(s) - embryonated , orbivirus , biology , serotype , virology , culicoides , epizootic , virus , zoology , transmission (telecommunications) , reoviridae , rotavirus , electrical engineering , engineering

Epizootic hemorrhagic disease virus (EHDV) is a vector-borne orbivirus of ruminants; in North America there are three serotypes (EHDV-1, -2, and -6) and these primarily affect white-tailed deer ( Odocoilus virginianus ). EHDV is vectored by biting midges, Culicoides spp. Embryonated chicken eggs (ECE) have recently been used as an experimental host to investigate the vector competence of Australian Culicoides spp. for bluetongue serotype virus 1 and 23. In this study, we evaluated the use of the ECE model to determine its applicability for evaluating vector competence related to transmission of North American EHDV serotypes. We demonstrated that all three North American EHDV serotypes were able to replicate in ECEs and be transmitted from infected ECEs to Culicoides sonorensis Wirth & Jones. In addition, we were able to complete the transmission cycle from infected C. sonorensis o uninfected ECEs for EHDV-1 and -2.

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