Tracing the genetic history of porcine reproductive and respiratory syndrome viruses derived from the complete ORF 5-7 sequences: a Bayesian coalescent approach.

Abstract excerpt

To trace the genetic history of porcine reproductive and respiratory syndrome virus (PRRSV), we determined the complete sequences of ORFs 5 to 7 of four PRRSV isolates. These sequences were analyzed together with published sequences from 146 isolates from various parts of the world using a Bayesian coalescent approach as well as Bayesian inference and maximum-likelihood methods. All of the European-type (EU-type)...

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