Mice were superinfected as described in Fig 3A (C) Concentrations of IL-17 and IL-22 in BAL of mice 12 h after with 2x105 cfu of S. pneumoniae serotype 19F alone (-Flu), or following superinfection (+Flu), assessed by ELISA Data information Dat i (C) are representative of two independent experiments with 3-4 mice per group. All data are represented as mean ± S.E.M. Significanc was determined by unpaired student's T-test. n.s. = not significant 