Porcine respiratory and reproductive syndrome virus variants, Vietnam and China, 2007
- PMID: 18976568
- PMCID: PMC2630730
- DOI: 10.3201/eid1411.071676
Porcine respiratory and reproductive syndrome virus variants, Vietnam and China, 2007
Abstract
We characterized isolates from porcine respiratory and reproductive syndrome virus epidemics in Vietnam and China in 2007. These isolates showed approximately 99% identity at the genomic level. Genetic analysis indicated that they share a discontinuous deletion of 30 aa in nonstructural protein 2, which indicates that identical variants emerged in Vietnam and China.
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