Article
Genetic variation in porcine reproductive and respiratory syndrome virus isolates in the midwestern United States.
The Journal of general virology - 1 Jun 1996
Kapur V, Elam M R, Pawlovich T M, Murtaugh M P
Abstract excerpt
The nucleotide sequence of a 3266 bp region encompassing open reading frames (ORFs) 2 through 7 of the porcine reproductive and respiratory syndrome virus (PRRSV) was determined for 10 isolates recovered from the midwestern United States. Pairwise comparisons showed that genetic distances between isolates ranged from 2.5% to 7.9% (mean 5.8% +/- 0.2%) whereas the Lelystad strain from Europe was, on average, 34.8%...
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