Abstract
In 2018, a strain of epizootic hemorrhagic disease virus (EHDV), named YNDH/V079/2018, was isolated from a sentinel calf in Mangshi County, Yunnan Province, China. Nucleotide sequencing and neutralization tests indicated that the virus belongs to a novel serotype of EHDV that had not been reported previously.
Highlights
In 2018, a strain of epizootic hemorrhagic disease virus (EHDV), named YNDH/V079/2018, was isolated from a sentinel calf in Mangshi County, Yunnan Province, China
Only Ibaraki virus was previously known to cause a bluetongue-like illness in cattle [1], EHDV-1, EHDV-2, EHDV-6, and EHDV-7 have recently been associated with illness and death in cattle in Asia, the Mediterranean Basin, South Africa, North America, and Réunion Island [1,5,6,7], suggesting that the distribution and the pathogenicity associated with EHDV infection are increasing
Double-stranded RNA extracted from YNDH/ V079/2018 generated a genome segment migration pattern typical of bluetongue virus or EHDV (Appendix Figure 2) by agarose gel electrophoresis
Summary
In 2018, a strain of epizootic hemorrhagic disease virus (EHDV), named YNDH/V079/2018, was isolated from a sentinel calf in Mangshi County, Yunnan Province, China. 2 novel EHDV strains isolated from South Africa [3] and Japan [4] were suggested as new serotype candidates. EHDVs belonging to serotypes 1, 5, 6, and 7, as well as a nontyped serotype, have been isolated from sentinel cattle in southern China
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