Table 2.

Correlations between opsonic activities and antibody levels of adults and of infant seraa

Anti-Pn6BAdults (C) (n = 30)Adults (HA) (n = 30)Infant group A (n = 36)Infant group B (n = 35)
rPrPrPrP
Total0.652<0.0010.756<0.0010.758<0.0010.741<0.001
IgG0.572<0.0010.611<0.0010.741<0.0010.653<0.001
IgG10.3470.060.594<0.0010.711<0.0010.617<0.001
IgG20.568<0.0010.3340.0710.771<0.0010.68<0.001
IgA0.2880.1230.1450.4440.428<0.010.339<0.05
IgM−0.0680.7230.0650.7350.170.3220.62<0.001
  • a Adult sera were obtained before and after vaccination with Pneumo23 (C) or Pn6B-TT (HA). Infant sera were obtained after priming and booster injections with Pn6B-TT.