Table 3.

Effect of immunization with pneumococcal proteins on nasal carriage of E134

ImmunogensNo. of miceCFU/nasal wash (mean log [standard error])P value of immunogen(s) versus CTB only
Student's t testWilcoxon test
CTB only114.94 (0.30)
PspA104.32 (0.42)0.240.43
PsaA103.51 (0.36)0.00610.0062
PdB44.64 (0.40)0.600.75
PspA + PsaA102.45 (0.31)<0.0001<0.0001
PspA + PdB44.16 (0.37)0.180.23