IL17A and bronchiectasis: There were no significant differences in IL-17A levels within bronchiectasis subjects according to concurrent BALF culture results (P. aeruginosa (n = 9), 2.20 (1.39, 3.26), Haemophilus influenzae (n = 11) 1.46 (1.17, 2.46), normal respiratory flora only (n = 14) 1.85 (0.43, 4.42), p = 0.49 by K-W).