FIG 2.
Polymerase activities of pandemic H1N1/09 influenza mutant viruses as determined by minigenome replication assays. Values shown are the means ± SD of data from three independent experiments and are normalized to those of SD731 (100%). #, the value for CA04 was significantly lower than those for the other mutants (P < 0.05 or P < 0.01; analysis of variance [ANOVA]); **, the values of corresponding RNPs were significantly different (P < 0.01, ANOVA).