Fig. 3

Lung score (mean±SD) of pigs single or dual inoculated with swine influenza virus (SIV) and/or Haemophilus parasius (Hps). The significant differences between groups are indicated with the same superscripts
Lung score (mean±SD) of pigs single or dual inoculated with swine influenza virus (SIV) and/or Haemophilus parasius (Hps). The significant differences between groups are indicated with the same superscripts