Modified live PRRSV vaccination is efficacious following challenge with eight genetically diverse PRRSV isolates

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Country: United States
Source: 2013 Allen D. Leman Swine Conference
Challenge strain(s): Field isolates RFLP 1-18-2, 1-4-4 and 1-5-2

Key points:

  • The objective of this report was to summarize experimental data on PRRSV MLV efficacy following challenge with genetically diverse PRRSV field isolates.
     
  • Use of a modified-live PRRSV vaccine significantly reduced lung lesions in multiple challenge models.