Comparison of Host Immune Responses to Homologous and Heterologous Type II Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) Challenge in Vaccinated and Unvaccinated Pigs
Figure 3
PRRSV-dependent cytokine expression patterns are PRRSV challenge strain specific. (a) Innate and (b) adaptive cytokine expression profiles in the sera of pigs at DPC 7 were tested by ELISA. (c) PBMCs collected at DPC 14 were restimulated with VR-2332, KS-06, or NVSL97-7895 strains of PRRSV. IFN--secreting cells were then analyzed by ELISpot assay. Data were shown as mean ± SEM for 5 pigs per group. *. NS: not significant.
