CXCL8 and infection: The mucoid PA infections showed marked elevation of IL-8 (<i>P</i> = 0.0137), TNF-α (<i>P</i> = 0.0048), IL-10 (<i>P</i> = 0.0042), IL-17 (<i>P</i> = 0.0220), and IL-6 (<i>P</i> = 0.0001).