Fig. 1From: Respiratory viral infections drive different lung cytokine profiles in pigsQuantification of cytokines in lungs of control pigs (CONTROL) and pigs inoculated with IAV or PRRSV or co-inoculated with both viruses (IAV + PRRSV) (mean ± SD) at 2, 4, 10 and 21 DPI a, b, c - different superscript indicate significant difference between groups at p < 0.05Back to article page