Article
Genetic, geographical and temporal variation of porcine reproductive and respiratory syndrome virus in Illinois.
The Journal of general virology - 1 Jan 2000
Goldberg T L, Hahn E C, Weigel R M, Scherba G
Abstract excerpt
Porcine reproductive and respiratory syndrome virus (PRRSV) ORF5 gene sequences were generated by RT-PCR from 55 field isolates collected in Illinois and eastern Iowa. Spatial and temporal patterns of genetic variation in the virus were examined on a local geographical scale in order to test the hypothesis that the genetic similarity of PRRSV isolates (measured as their percentage pairwise ORF5 nucleotide...
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