Plasma levels of anti-tetanus toxoid IgG were also significantly reduced in infants of mothers treated with LGG compared to infants of placebo-treated mothers, with unadjusted GMCs of 0.96 and 0.51 IU/ml (p = 0.042) in the LGG and placebo treatment groups respectively, representing a 1.9-fold difference between groups (Figure 3A).
Lactobacillus rhamnosus GG (LGG)
placebo
anti-Hib IgG levels