Article
Porcine Respiratory and Reproductive Syndrome Virus Variants, Vietnam and China, 2007
1 Nov 2008
Abstract excerpt
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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