Mice were superinfected as described in (A) (E) Pneumococcal cfu in BAL of mice 12 h after infection with 2x105 cfu of S. pneumoniae serotype 19F alone (-Flu) or following influenza virus infection (+Flu) Data information Dat are representative of at least two independent experiments wit 5- mice per experimental group. All data are represented as mean ± S.E.M. Statistical significance was determined b Mann-Whitney U tes n.s. = not significant 