Article
Influence of time on the genetic heterogeneity of Spanish porcine reproductive and respiratory syndrome virus isolates.
Veterinary journal (London, England : 1997) - 1 Jun 2009
Prieto Cinta, Vázquez Ana, Núñez José I, Alvarez Esther, Simarro Isabel, Castro José M
Abstract excerpt
The aim of the present study was to establish the degree of diversity of porcine reproductive and respiratory virus (PRRSV) isolates that circulate in the same geographical area in different years. Nucleotide sequences of open reading frame (ORF) 5 were determined for 28 Spanish field PRRSV isolates from different years and three European-type modified live virus vaccines. Sequences were aligned using Clustal W...
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