The (A) IFN-β, (B) RANTES and (C) IP-10 gene expression of the ud- and wd-NHBE cells at 6 h and 24 h post infection of HK98/H1N1 and VN04/H5N1.

<p>The chart showed the mean and the standard error from three independent experiments. Single asterisk indicated statistically significant difference of means with <i>p</i><0.05, double asterisks indicated statistically significant differences of means with <i>p</i><0.01 and triple asterisks indicated statistically significant differences of means with <i>p</i><0.001.