Peer-reviewed veterinary case report
The emergence of a disease caused by a mosquito origin Cluster 3.2 Tembusu virus in chickens in China.
- Journal:
- Veterinary microbiology
- Year:
- 2022
- Authors:
- Yan, Dawei et al.
- Affiliation:
- Department of Avian Infectious Disease · China
Abstract
In 2021, a chicken Tembusu virus (TMUV) caused outbreaks of a disease characterized by retarded growth and egg production decline in chickens in China. Two TMUV strains SD2021 and GX2021 were isolated from the diseased chickens and phylogenetic analysis of the E gene nucleotide sequence revealed that the chicken TMUV SD2021 and GX2021 were most close to mosquito origin TMUV in Cluster 3.2, which was distinct from the prevalent duck TMUVs in Cluster 2. The TMUV SD2021 caused growth retardation and neurological symptoms in chickens through both intranasal and intramuscular infection routes, but has no direct-contact transmissibility among chickens. The findings of this study highlight the pathogenicity of a chicken adapted mosquito-origin TMUV in chickens in China.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/35792374/