Fig. 2

RT-qPCR Cycle threshold value distribution for Influenza A virus in oral fluids (IAV_OF), Influenza A virus in postmortem tongue fluids (IAV_TF), Porcine reproductive and respiratory syndrome virus in oral fluids (PRRSV_OF), and Porcine reproductive and respiratory syndrome virus in postmortem tongue fluids (PRRSV_TF). All samples were submitted from growing pig herds. Distributions with different letters are statistically different (α = 0.05)