FIG 5.
Systemic levels of IL-8 (A) and IFN-α (B) (9-plex Luminex assay; Invitrogen) in sera collected at 0, 5, 10, or 15 dpi from CDCD neonatal pigs inoculated with PHEV (n = 12) or mock inoculated (n = 6) with culture medium under experimental conditions.