Figure 3

Prevalence rates of IgG to VarO-IE crude extract, and of IgG, IgG1 and IgG3 to varO recombinant NTS-DBL1α ₁ , CIDRγ and DBL2βC2 in healthy adults (dots) and the children recruited in 2006, AP (grey), UM (white), SM (criss-cross). Bars denote the 95% confidence interval. Asterisks indicate P values estimated using the χ² test as follows: ***, P < 0.0001; **, P < 0.001; *, P < 0.01.