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Time courses of IL-6, IP-10, and IFNγ in NLF after LAIV inoculation: ratio to baseline (day 0). (A–C) Individual subject data. (D–F) Data summarized for each study day. Fold Δ, fold change. All data are shown as median at each time point. Broken lines indicate ratio = 1 (no change from baseline). Black line, controls; blue line, SHS exposed; red line, smokers. SHS-exposed group data are omitted from A–C for clarity.
