Molecular Evolution of Porcine Reproductive and Respiratory Syndrome Virus Field Strains from Two Swine Production Systems in the Midwestern United States from 2001 to 2020

ABSTRACT Porcine reproductive and respiratory syndrome virus (PRRSV) poses an extensive economic threat to the United States swine industry. The high degree of PRRSV genetic and antigenic variability challenges existing vaccination programs. We evaluated the ORF5 sequence of 1,931 PRRSV-2 strains de...

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Bibliographic Details
Main Authors: Ruwini Rupasinghe, Kyuyoung Lee, Xin Liu, Phillip C. Gauger, Jianqiang Zhang, Beatriz Martínez-López
Format: Article
Language:English
Published: American Society for Microbiology 2022-06-01
Series:Microbiology Spectrum
Subjects:
Online Access:https://journals.asm.org/doi/10.1128/spectrum.02634-21