Figure 1From: Secondary infection with Streptococcus suis serotype 7 increases the virulence of highly pathogenic porcine reproductive and respiratory syndrome virus in pigsMean value (standard deviation) of lesion scores. (a) Scores of macroscopic lung lesion, (b) Scores of macroscopic lymph node lesion, (c) Scores of microscopic lung lesion, and (d) Scores of microscopic lymph node lesion at different times after inoculation.Back to article page