CCL1 and bronchiolitis obliterans syndrome: These findings are in line with our results that both BO_24h and BO_48h elicited a more profound anti-inflammatory cytokine response characterized by increased levels of IL-10, I-309, and TNF RII and decreased levels of proinflammatory factors, chemokines, than NO_24h and NO_48h did, which revealed that RSV-N gene copy numbers were greater in the NO group than in the BO group at the corresponding time points.