IL1B and infection: Higher concentrations of ATP (Figure 8A, COVID-19(+), p = 0.0064, n = 30), PGE2 (Figure 8B, COVID-19(+), p = 0.0014, n = 30), and IL-1β (Figure 8C, COVID-19(+), p = 0.0031, n = 30) were detected in the BAL from COVID-19 individuals who survived infection.