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Figure 4: Pre (a) and post (b) vaccination IFN-? synthesis. PBMC were collected before (T0; n=7 COPD subjects and 10 healthy controls) and after (T1; n=19 COPD subjects and 12 healthy controls) vaccination and cultured in vitro for five days in the presence or absence of influenza vaccine. Results are shown as median ± IQ. P values refer to the comparison between COPD patients and healthy controls. |